551.75 Cas P Case, Ermine Cowles, 1871- Permo-carboniferous vertebrates from New Mexico by E. C. Case, S.W. Williston and M. G. Mehl. Washington, Carnegie Institution of Washington. Publication No. 181) <a id= "rdfa" about="http://bnjm.sld.cu/cgi-bin/item.py?idficha=bcuhcgrlyfof0180116" property = "oa:link" href="http://www.worldcat.org/oclc/180116 ">WorldCat</a>