A closer look at prehistoric mammals /Author: Strachan, Elizabeth.
Publisher: New York : Gloucester Press,
Date: 1985. This title can be found in 13 Iowa libraries.
Hunting the past : fossils, rocks, tracks and trails : the search for the origin of life /Author: Halstead, L. B.
Publisher: London : Hamish Hamilton,
Date: 1982. This title can be found in 1 Iowa libraries.
The search for the past : fossils, rocks, tracks, and trails : the search for the origin of life /Author: Halstead, L. B.
Publisher: Garden City, N.Y. : Doubleday,
Date: 1982. This title can be found in 5 Iowa libraries.
Wildlife management in savannah woodland : recent progress in African studies /Publisher: London : Taylor & Francis,
Date: 1979. This title can be found in 1 Iowa libraries.
The world of dinosaurs /Author: Halstead, L. B.
Publisher: New York : Derrydale Books,
Date: [1979], c1975. This title can be found in 2 Iowa libraries.
A closer look at prehistoric reptiles /Author: Halstead, L. B.
Publisher: New York : Gloucester Press,
Date: 1978, c1977. This title can be found in 1 Iowa libraries.
Vertebrate hard tissues /Author: Halstead, L. B.
Publisher: Andover : distributed by Chapman & Hall, Andover : distributed by Chapman & Hall,
Date: 1974. This title can be found in 2 Iowa libraries.
The pattern of vertebrate evolutionAuthor: Halstead, L. B.
Publisher: San Francisco, W. H. Freeman
Date: [1968] This title can be found in 8 Iowa libraries.
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