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  1. By: Yorkshire Naturalists' Union - Yorkshire Naturalists' Union.
    Publication info: [Yorkshire] :Yorkshire Naturalists' Union,[1991-
    Holding Institution: Multiple institutions
  2. By: West-Riding Consolidated Naturalists' Society - West-Riding Consolidated Naturalists' Society. - Yorkshire Naturalists' Union - Yorkshire Naturalists' Union.
    Publication info: London :Simpkin, Marshall,1865-
    Holding Institution: Multiple institutions
  3. By: Yorkshire Naturalists' Union.
    Publication info: Leeds,1878-
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library