Culture of the mulberry silkworm
Kelly, Henrietta Aiken
Culture of the mulberry silkworm - Washington 1903 - 1-32 p. - Mulberry, Silkworm United States Department of Agriculture, Bureau of Entomology. Bulletin No. 39 .
Culture of the mulberry silkworm - Washington 1903 - 1-32 p. - Mulberry, Silkworm United States Department of Agriculture, Bureau of Entomology. Bulletin No. 39 .