 This, the first book purchased by the University, was bought in 1839 for $970 (equivalent to $ in ), at the time an amazing sum.The entire volume of 435 plates is also available for viewing online at the websites of the University of Michigan  and the Public Library of Cincinnati and Hamilton County.Since 1992, the Louisiana State University Libraries have hosted "Audubon Day," a semi-annual public showing of all four volumes of LSU's copy of the "Birds of America."