William Smith Mason of Evanson, Illinois, a former Pomona College Trustee, gave his Western Americana library to Pomona in 1915. By the mid-1970s, gifts from Homer Crotty and others, as well as books purchased by the library, brought the number of volumes in the Mason Collection to over seven thousand. This represents one of the most distinguished assemblies of books on the Westestern United States and California in any library. Rich in primary sources such as early advertising pamphlets and local directories, along with secondary sources including county histories, one will also find contemporary accounts of explorers and figures of the gold rush period. A twentieth century highlight of the collection is Edward S. Curtis’s The North American Indian in twenty-five volumes with an additional twenty portfolios of plates, published 1907–1930. Also in the Mason Collection is the 55 volume work by Emma Helen Blair, The Philippine Islands, 1493–1803. The text runs to 1898, with one volume of bibliography and a two volume index.

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