Annelids, Parasitic Worms, Protozoans, etc. Part A [microform]Frank 1857-1942 Smith, Paul S. (Paul Smith) 1882-1959 Welch, Canadian Arctic Expedition (1913-1918) · First published 2021Open the Tome
Culture methods for invertebrate animalsFrank E. Lutz, Paul L. Welch, Paul S. Galtsoff · First published 1937Open the Tome
culture methods for invertebrate animalsfrank e. lutz, paul s. welch, paul s. galtsoff and james g. needham · First published 1937Open the Tome
Culture Methods for Invertebrate AnimalsJames G. Needham Paul S. Galtsoff ,Frank E. Lutz . Paul S. Welch · First published 1937Open the Tome
Culture Methods for Invertebrate Animals. A Compendium Prepared Cooperatively By American Zoologists Under the Direction of a Committee from Section F of the American Association for the Advancement of ScienceFrank E. Lutz, Paul S. Welch, James G. Needham, Others Paul S. Galtsoff · First published 1937Open the Tome
[Bill of Complaint, Depositions, etc.]Morse, S. B. Jr, Paul Adams, John Welch · First published 1847Open the Tome