Biodiversity Heritage Library
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By "Porter, R. H. "
Biologia centrali-americana: Aves /
By: Godman, Frederick Du Cane, - Porter, R. H. - Salvin, Osbert,
Publication info: [London :R.H. Porter],1879-1904.
Holding Institution: Cornell University Library
A preliminary report of surveys for plant diseases in East China /
By: Porter, R. H. - United States. Office of Mycology and Disease Survey.
Publication info: [Washington, D.C.] :Office of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture,1926.
Holding Institution: U.S. Department of Agriculture, National Agricultural Library