Albert Frederick Siepert (1883-1947) was an American Professor of Manual Arts at the Bradley Polytechnic Institute. He was the editor of the Shop Problems Series (on tracing paper) and the Shop Notes and Problems department of Manual Training Magazine. He was the author of Bird Houses Boys Can Build (1916). Это и многое другое вы найдете в книге Bird Houses Boys Can Build (Illustrated Edition) (Dodo Press)