TY  - BOOK
AU  - Rugg,Harold
TI  - Man at work: his arts and crafts: volumen seven, 2 tomos; of the elementary school course, y on the frist course
U1  - 700 
PY  - 1937///
CY  - U.S.A
PB  - Ginn and company
KW  - Artes
N1  - incluye; índice
ER  -