| 4. | ![[030 WPA Pennsylvania Writers' Project] Lumber / Compiled by workers of the Writers' Program of the Work [030 WPA Pennsylvania Writers' Project] Lumber / Compiled by workers of the Writers' Program of the Work](/cgi-bin/thumbnail.exe?CISOROOT=/WPAChildren&CISOPTR=1670) | [030 WPA Pennsylvania Writers' Project] Lumber / Compiled by workers of the Writers' Program of the Work Projects Adminstration in the Commwealth of Pennsylvania. | Lumber -- Juvenile literature. Lumbering -- Juvenile literature. Forest products -- Juvenile literature. | 48 p. illus. (part col.) 19 cm. |