An international trade emerged between 1870-1895 that incorporated the circulation of books among countries worldwide. A history of the social network and select agents who sold and distributed books overseas, this study demonstrates agents increasingly thought of the world as a negotiable, connected system and books as transnational commodities.

Quarterly accession lists; beginning with Apr. 1893, the bulletin is limited to "subject lists, special bibliographies, and reprints or facsimiles of original documents, prints and manuscripts in the Library," the accessions being recorded in a separate classified list, Jan.-Apr. 1893, a weekly bulletin Apr. 1893-Apr. 1894, as well as a classified list of later accessions in the last number published of the bulletin itself (Jan. 1896)