lined exercise book with books..
set from different angles stacks..
set from piles of different sizes..
set from fan opened books on top..
blank open book on top of stack..
Stack of opened and closed books..
Vector Paper Sheets on Dirty Cardboard..
folder of very old note sheets..
Stack of various books isolated..
open book on top of stack of books..
old yellow books with Mathematics..
very old folder with sheets of..
Rolled up old paper for you - illustration
Pile of old books isolated on white..
open red books isolated on a white..
old vintage notebook with empty..
Decrepit old history books in a..
Stack of Old frayed books isolated..
Pile of several weathered, old..
Stock of old paper sheets
sheets of old torn paper isolated..
lined exercise book and photo frames,..
Corrugated stacked cardboard
Corrugated stacked cardboard isolated..
Stack old papers isolated on white
yellowed vintage paper isolated..
school books on green board background,..