Reference Images, Stock Photos & Pictures

Reading books. Stacks of books on the table. Stacks of books on the table.

Worktable interior design. With color and fabric selection

Blank Book Open. Open book with blank pages. Isolated on a white background. Open book with blank pages. Isolated on a white background.

Reference book. A hand with the finger pointing at a particular entry in a dictionary or other reference book. Dark background

Library or archive reference card catalog. Database, knowledge base concept. Old library or archive reference catalogue with one opened card drawer. Database. Old library or archive reference catalogue with one opened card drawer. Database and knowledge catalogue concept.

Reference books. A pile of reference books

Color reference bars of printing process. In printshop

Books on library shelves. Rows of study and reference books on wooden library shelves or bookcases. Rows of study and reference books on wooden library shelves or bookcases.

3 views of the female face. Female portrait, reference for sketches and 3D computer designers

Bookshelves with various books. A book case filled with various reference subject matter. Note: all books have fictitious titles. A book case filled with various reference subject matter. Note: all books have fictitious titles.

On-Line Learning. Reference books stacked on top of a laptop, with mouse. On-line learning concept. Isolated on white. Reference books stacked on top of a laptop, with mouse. On-line learning concept. Isolated on white.

African woman with facial recognition scan on face. Close up portrait of attractive african woman with facial recognition technology. Grid with reference areas. Close up portrait of attractive african woman with facial recognition technology. Grid with reference areas marked on face. Young girl against out of focus airport background.

Medical text books. Stethoscope on a stack of reference books isolated on white

Medical text books. Stethoscope on a stack of reference books isolated on white

Wills and Trusts. Reference book spines showing wills and trust types, concepts and subjects. A concept of estate planning concept

School library media center. Library or media center in a modern middle school or high school

Books. Open book on a stack of books against white background

Old library interior. An open book on a desk beside a blue world globe with bookshelves behind in a beautiful old library. An open book on a desk beside a blue world globe with bookshelves behind in a beautiful old library.

Vintage Laboratory. Turn of the century laboratory with microscope,bottles,mortar and scale. Turn of the century laboratory with microscope,bottles,mortar and scale.

Library with many shelves and books. Diminishing perspective and shallow dof

Dream Job Background Concept Word Cloud. Dream job word cloud on chalkboard

Unhappy customer in restaurant, angry woman. Complaining about food and service in cafe

Library. Books in British Museum reading room

Library interior. A view of rows of bookshelves and a study area inside a modern library. A view of rows of bookshelves and a study area inside a modern library.

Phone directories. Home telephone on top of phone directories and emergency numbers

Books. 300 year old books from old library. 300 year old books from old library.

Notebook, tropical rainforest background. A photograph image of an open note book with a magnifying glass placed on fallen tree stump in the middle of the forest. A photograph image of an open note book with a magnifying glass placed on fallen tree stump in the middle of the forest floors of a lush green tropical rainforest nature reserve backgrounds in southeast asia. Abstract conceptual image for studying of wild life, forests and nature environment. Horizontal color format, nobody in picture.

Book and fist. A fist resting on a book, black background, selective spotlight. A fist resting on a book, black background, selective spotlight.

Gavel on law book. A view of a wooden gavel and sounding block resting on a large indexed law book on a white background. A view of a wooden gavel and sounding block resting on a large indexed law book on a white background.

Vintage Laboratory. Turn of the century laboratory with bottles and scale. Turn of the century laboratory with bottles and scale.

Learn in dictionary. English language dictionary page with the word learning highlighted in red. English language dictionary page with the word learning highlighted in red.

English language levels. English language books piled in difficulty level order, focus on proficiency. English language books piled in difficulty level order, focus on proficiency.

Resumes. File with stack of resumes received

School library media center. Library or media center in a modern middle school or high school

Young african american woman taking notes. Female student taking notes from books for her study. Young african american woman sitting at table with books for. Female student taking notes from books for her study. Young african american woman sitting at table with books for finding information.

Cook books. A series of fictional recipe books on a white background. A series of fictional recipe books on a white background.

Map of USA. Colorful map of the USA with pins at various locations

Tower of Books. A tower made of books, seen against a bright sky. A tower made of books, seen against a bright sky.

Librarians. At Los Angeles City Central Library

Books. 300 year old books from old library. 300 year old books from old library.

Books. 300 year old books from old library. 300 year old books from old library.

Black Lives Matter. Photo of protesters downtown at pennsylvania avenue in washington dc on 12/13/14. This man holds a sign that says black lives matter in. Photo of protesters downtown at pennsylvania avenue in washington dc on 12/13/14. This man holds a sign that says black lives matter in reference to the many black people killed by police in recent years. The protest is led by reverend al sharpton with many other speakers speaking throughout the day. Young black people as well as older black people have lost their lives over the years owing to police brutality angering the black community.

Career Training for Adults. A man in his fifties back at school for job training. A man in his fifties back at school for job training.

Wild Dictionary. A pair of wild colored reading glasses on a page of a dictionary. A pair of wild colored reading glasses on a page of a dictionary.

Dictionary entry for learning. Selective focus of dictionary definition for the word learning. Selective focus of dictionary definition for the word learning.

The word service. Close-up of the word service in a dictionary. Close-up of the word service in a dictionary.

Financial documents in folders. Open file folder drawer with many multicolored files containing personal finance documents

Estate Planning Shelf. Reference books on a wooden shelf showing wills and trust types, concepts and subjects. A concept of estate planning. Reference books on a wooden shelf showing wills and trust types, concepts and subjects. A concept of estate planning.

English language books. English language learning books with the proficiency focused, a teacher's note well done in a notebook. English language learning books with the proficiency focused, a teacher's note well done in a notebook.

Weighing orange powder. A laboratory specialist weighing some orange powder, rubber gloves, plastic spoon, small glass tube, old style weighing machine. A laboratory specialist weighing some orange powder, rubber gloves, plastic spoon, small glass tube, old style weighing machine.

Gavel on open law book. A view of a wooden gavel and sounding block resting on a large open law book on a white background. A view of a wooden gavel and sounding block resting on a large open law book on a white background.

Library. Bookshelf in library with many books. Shallow dof. Bookshelf in library with many books. Shallow dof.

Library. Closeup open book in library on the table

4 Books. On a white background. 4 books on a white background

Cramming. A student exhausted from late night studying

Spelling. Detail of dictionary entries for spelling, speller, spelt and spell

Unemployed in the port of Hamburg in Germany. Unemployed waiting in the port of Hamburg in Germany

Law Books. Old law books on an old bookshelf in a library. Old law books on an old bookshelf in a library.

Accounting. Close-up of the dictionary definitions for accounting and accountant

Rocky Mountain Hiker BC Canada. Weekend backpacker climbs the trail to Floe Lake, Kootenay National Park, British Columbia, Canada. Drum scanned 6x7 film. See. Weekend backpacker climbs the trail to Floe Lake, Kootenay National Park, British Columbia, Canada. Drum scanned 6x7 film. See for trail reference.

Thermometer. Isolated on white with paths

Encyclopedia. Set - 10 heavy book tomes isolated

The word science in a dictionary. Close-up of the word science in a dictionary. Close-up of the word science in a dictionary.

Job Interview. In the Office with Focus on Resume and Pen

Job Interview. In the office with focus on resume and pen

Library stacks. College library book stacks with bookshelves full of books

Business books. A row of business hardback tltles, isolated on a white background. A row of business hardback tltles, isolated on a white background.

Medical records. In doctor office

Online Learning. Conceptual image of Online Learning with a man using a wired computer mouse connected to the text with copyspace above depicting e-learning or. Conceptual image of Online Learning with a man using a wired computer mouse connected to the text with copyspace above depicting e-learning or distance learning.

Law Books. Old law books on an old bookshelf in a library. Old law books on an old bookshelf in a library.

Adult Ed - Boredom. A classroom filled with very bored adult education students. A classroom filled with very bored adult education students.

Research Concept. Extreme close up of the word RESEARCH found inside a dictionary

Books in Library. Old Library in the National Assembly in Paris, France

The word English. Close-up of the word English in a dictionary. Close-up of the word English in a dictionary.

The word success. Close-up of the word success in a dictionary. Close-up of the word success in a dictionary.

Books in library. Open books in library, concept of knowledge

Adult Ed - Research. An adult education class doing research at their desks. An adult education class doing research at their desks.

Adult Ed - Teamwork. An adult education student working out problems on his calculator with the teacher's help. An adult education student working out problems on his calculator with the teacher's help.

Adult Ed - Studying. Adult education students studying together in class. Adult education students studying together in class.

Employee handbook. Manual on a desktop with glasses and a mechanical pencil