Encyclopedia of South American aquatic insects: ephemeroptera.
Dordrecht: Kluwer Academic Publishers, 2002. Small quarto, text illustrations, laminated boards. More
Dordrecht: Kluwer Academic Publishers, 2002. Small quarto, text illustrations, laminated boards. More
Dordrecht: Kluwer Academic Publishers, 2003. Small quarto, text illustrations, laminated boards. More
Berkeley: University of California Press, 1956. Quarto, uncoloured plates, fine copy in dustwrapper. More
Berkeley: University of California Press, 1958. Octavo, photographs, text illustrations. Publisher's wrappers, partially sunned, inscribed by the author to Edgar Riek. University of California Publications in Entomology. Volume 14, Number two. More
Berkeley: University of California Press, [1964. reprint). Octavo, wrappers, photographs, text illustrations. Signed by the author. University of California Publications in Entomology. Volume 38. More
Washington, DC: United States Department of Agriculture, 1951-1967. Octavo, three volumes, folding map. Catalogue and first supplement in publisher's cloth, second supplement in wrappers. More