World production and trade in sponges.
By: Prepared by the Specialties division. Thomas Burke, chief. December, 1936.
Contributors: Detgen, Edward Joseph, 1911-
Published: 1936
Place of publication: [Washington
Language: eng
Number of pages: 29
Subjects: Sponges.
Notes: At head of title: United States Department of commerce. Daniel C. Roper, secretary. Bureau of foreign and domestic commerce. Alexander V. Dye, director.
Photoprinted.
"By Edward J. Detgen."--Foreword, 3d prelim. leaf.