The Bibliographic Index of American Ordovician and Silurian Fossils, Volume 2 is a reference book compiled by Ray S. Bassler and published in 1915. The book is a comprehensive index of literature related to the fossils of the Ordovician and Silurian periods found in North America. The index contains over 10,000 entries, including articles, books, and other publications, and is organized alphabetically by author. Each entry includes the author's name,...