Production of gutta-percha, balata, chicle and allied gums
Series: United States. Bureau of Foreign and Domestic Commerce. Trade promotion series -- no. 41; Trade promotion series -- no. 41
Published: 1927
Place of publication: Washington
Language: eng
Number of pages: 72
Notes: Microfilm. New York, N.Y., Columbia University Libraries, 1996. 1 microfilm reel, 35 mm.

Filmed; NEH Project (FMEST); 1996.