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Pesticides documentation bulletin - National Agricultural Library (U.S.) (National Agricultural Library, U.S. Dept. of Agriculture, #c 1965-1969, 1965)

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Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1929)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1929)

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Synopsis of the Digenea of mammals of North America - Alberta. Animal Health Division. (Alberta Agriculture, Animal Health Division, 1988)

Synopsis of the Digenea of mammals of North America - Alberta. Animal Health Division. (Alberta Agriculture, Animal Health Division, 1988)

Synopsis of the Digenea of mammals of North America - Alberta. Animal Health Division. (Alberta Agriculture, Animal Health Division, 1988)

Synopsis of the Digenea of mammals of North America - Alberta. Animal Health Division. (Alberta Agriculture, Animal Health Division, 1988)

Synopsis of the Digenea of mammals of North America - Alberta. Animal Health Division. (Alberta Agriculture, Animal Health Division, 1988)

Synopsis of the Digenea of mammals of North America - Alberta. Animal Health Division. (Alberta Agriculture, Animal Health Division, 1988)

Synopsis of the Digenea of mammals of North America - Alberta. Animal Health Division. (Alberta Agriculture, Animal Health Division, 1988)

Synopsis of the Digenea of mammals of North America - Alberta. Animal Health Division. (Alberta Agriculture, Animal Health Division, 1988)

Synopsis of the Digenea of mammals of North America - Alberta. Animal Health Division. (Alberta Agriculture, Animal Health Division, 1988)

Synopsis of the Digenea of mammals of North America - Alberta. Animal Health Division. (Alberta Agriculture, Animal Health Division, 1988)

Synopsis of the Digenea of mammals of North America - Alberta. Animal Health Division. (Alberta Agriculture, Animal Health Division, 1988)

Synopsis of the Digenea of mammals of North America - Alberta. Animal Health Division. (Alberta Agriculture, Animal Health Division, 1988)

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The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 2010)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 2010)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 2010)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 2010)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 2010)

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Tulane studies in zoology and botany - Tulane University. Department of Biology. (Tulane University, 1981)

Tulane studies in zoology and botany - Tulane University. Department of Biology. (Tulane University, 1981)

Tulane studies in zoology and botany - Tulane University. Department of Biology. (Tulane University, 1981)

Tulane studies in zoology and botany - Tulane University. Department of Biology. (Tulane University, 1982)

Tulane studies in zoology and botany - Tulane University. Department of Biology. (Tulane University, 1982)

Tulane studies in zoology and botany - Tulane University. Department of Biology. (Tulane University, 1981)

Tulane studies in zoology and botany - Tulane University. Department of Biology. (Tulane University, 1982)

Tulane studies in zoology and botany - Tulane University. Department of Biology. (Tulane University, 1982)