Paper and cardboard construction : an analysis of the scope of paper and cardboard construction for primary grades of public schools...Book problems, box problems, card problems, envelope problems (1913)
Buxton, George Frederick, 1878-, Curran, Fred Llewellyn, 1879- · Peoria, Illinois : The Manual Arts Press · leaf 104
CARD PROBLEMS … 99
Paper work
Internet Archive · University of California Libraries · Public domain (published before 1931). Free to use for anything.
