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21
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22by Denison, Robert H. (Robert Howland), 1911-1985“...Field Museum of Natural History,...”
Published 1966
Book -
23
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24by Denison, Robert H. (Robert Howland), 1911-1985“...Field Museum of Natural History,...”
Published 1967
Book -
25
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26
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27
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28
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29by Denison, Robert H. (Robert Howland), 1911-1985“...Field Museum of Natural History,...”
Published 1968
Book -
30
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31
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32by Olson, Everett C. (Everett Claire), 1910-1993“...Field Museum of Natural History,...”
Published 1970
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33
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34by Denison, Robert H. (Robert Howland), 1911-1985“...Field Museum of Natural History,...”
Published 1970
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35
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36
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37Catalogue of type and referred specimens of fossil Stelleroidea in Field Museum of Natural History /by Golden, Julia“...Field Museum of Natural History,...”
Published 1970
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38
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39
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40