Willing-to-certify sources of supply of hardwood and softwood lumber and timber covered by federal specifications MM-L-736 and MM-L-751a :
manufacturers, wholesalers and retailers.

APA Citation

United States. National Bureau of Standards. (1938). Willing-to-certify sources of supply of hardwood and softwood lumber and timber covered by federal specifications MM-L-736 and MM-L-751a: manufacturers, wholesalers and retailers. Washington, D.C.: U.S. Dept. of Commerce, National Bureau of Standards.

MLA Citation

United States. National Bureau of Standards. Willing-to-certify Sources of Supply of Hardwood And Softwood Lumber And Timber Covered by Federal Specifications MM-L-736 And MM-L-751a: Manufacturers, Wholesalers And Retailers. Washington, D.C.: U.S. Dept. of Commerce, National Bureau of Standards, 1938.