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Businessman looking at camera and thinking with mathematics on blackboard
A young man with glasses reading a book in the library
Man, phone call and communication at library for conversation, discussion or advice. Happy male with smile talking on mobile smartphone in big book store or study for decision making, choice or idea
Vintage photograph of Luke Fildes British painter and illustrator born in Liverpool and trained at the South Kensington and Royal Academy Schools.
Mature man holding clipboard, studying in modern library
Young Male Lecturer Standing In Front Of Chalkboard
young man giving speech in his working office
Bratislava. Slovakia. Summer 2019. Bratislava Castle Park. Green bushes, young trees and statues in the garden. Statue with butt out.
intelligent creativity university student thinking how to solve the question with textbook
College student learning alone at home
Man looking and reading a book in the bookstore
Young asian teacher woman wearing headset speaking video conference with student. Female teacher training the mathematics in classroom blackboard online course.
Man reading a book in a library.
a young woman business coach in a white blouse and glasses shows with her hand a diagram of building a business on a graph. office work
Portrait of a smiling businesswoman
portrait of caucasian senior teacher
Young teacher holding lessons about art and crafts at school
Warsaw, Poland - 21 August 2019: Exterior details of Museum of King Jan III's Palace at Wilanów, Warsaw, Poland
a roman senator with a paperroll
Cropped shot of a handsome young businessman standing alone in his office with his arms crossed during the day
Portrait of clever student with open book reading it in college library
student at a library
Black and white image from 19th century
Young male teacher holding chalk writing on chalkboard in classroom.
Young and beautiful student studying mathematical formula in front of the blackboard
Italian Statue
portrait of caucasian senior teacher
USSR - CIRCA 1975: A stamp printed in the USSR, shows Avetik Isaakyan, by Martiros Saryan, circa 1975
Free Images: "bestof:Domenico Fetti - Portrait of a Scholar - WGA07862.jpg Artwork Creator Domenico Fetti firsthalf other date century 17 Oil on canvas size cm 98 73 5 Institution"
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