Colorado butterflies.
Denver: Denver Museum of Natural History, 1957. Octavo, photographs, inscription, publisher's cloth. More
Denver: Denver Museum of Natural History, 1957. Octavo, photographs, inscription, publisher's cloth. More
Boston: Houghton Mifflin, 1984. Octavo, colour plates, softcover. More
Washington: Smithsonian Institution, 1902. Octavo, publisher's cloth, spine worn and split. Bulletin of the United States National Museum No. 52. More
Missoula: University of Montana, 1906. Octavo, photographs, text illustrations, softcover. More
Washington: Government Printing Office, 1946. Octavo, coloure plates, titled wrappers. More
Berkeley: University of California Press, 1986. Octavo, colour plates, fine copy in dustwrapper. More
Princeton: Princeton University Press, 2017. Octavo, colour photographs, maps., softcover. This is a revised second edition of the most detailed, comprehensive, and user-friendly photographic field guide to the butterflies of North America. Written by Jeffrey Glassberg, the pioneering authority on the field identification of butterflies, the guide covers all known..... More
New York: Dover, 1968. Octavo, colour plates. softcover. More
Honolulu: Mutual Publishing, 2002. Octavo, colour photographs, softcover. More
Boston: Houghton Mifflin, (1979. reprint). Octavo, colour plates, softcover. First published 1951. More
Washington: The Wedge Entomological Research Foundation, 1991. Quarto, photographs, softcover. More
Washington: The Wedge Entomological Research Foundation, 1987. Quarto, colour plates, softcover. More
Washington: Government Printing Office, 1876. Quarto, 13 uncoloured lithographs, text illustrations. Publisher's cloth, expertly rebacked, signature. More
New York: Alfred A Knopf, 1981. Octavo, colour photographs, limp plastic. More
San Diego: Author, [1917]. Oblong format, text illustrations, softcover. More
Boston: Houghton Mifflin, 1986. Octavo, colourplates, softcover. More
Dallas: BenBella Books, 2010. Folio, colour photographs, map, fine copy in dustwrapper. Each September, millions of Monarch butterflies, each weighing only a few grams, begin a journey of up to 2,800 miles from Canada and the Northeast to Transverse Neovolcanic Mountains, 150 miles southwest of Mexico City. The Monarch is..... More
Healdburg: Naturegraph Company, 1975. Octavo, text illustrations, signed by the author, softcover. More
Gainesville: Scientific Publishers, 1994. Quarto, colour photographs, tipped in a printed note signed by all three authors for Tim New, a fine copy in dustwrapper. More
San Francisco: Sierra Club Books, 1990. Octavo, colour photographs, softcover. More
San Francisco: Sierra Club Books, 1998. Octavo, colour photographs, softcover. More