Biodiversity Heritage Library
By "Yorkshire Naturalists' Union. "
By: West-Riding Consolidated Naturalists' Society. - Yorkshire Naturalists' Union.
Publication info: London :Simpkin, Marshall,1865-
Contributed by: University Library, University of Illinois Urbana Champaign
The transactions of the Yorkshire Naturalists' Union.
By: Yorkshire Naturalists' Union.
Publication info: Leeds [etc.]
Contributed by: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
BHL Collections: Ernst Mayr Library of the MCZ, Harvard University