Grijze haren bibliothecaris leunend op de plank en boek te kijken - Stockfoto’s en -afbeeldingen

Grey hair librarian holding book and leaning on shelf

Grey hair librarian looking at book in hand

Grey hair librarian reading book

Vertical view of senior experienced listening psychologist

Thoughtful senior male archivist leaning on catalog boxes

Grey hair librarian leaning on shelves and looking at camera

Portrait Of Mature Male Student Studying In Library

Grey hair librarian holding book and leaning on shelf

Grey hair librarian looking at book in hand

Grey hair librarian reading book

Thoughtful senior male archivist leaning on catalog boxes

Grey hair librarian leaning on shelves and looking at camera

Side view of grey hair librarian searching for book

Side view of grey hair professor correcting something at blackboard

Senior male archivist searching for catalogs