"United Nations publication. Sales number: 1956.volume 2."

"The titles of the books are reproduced in their original languages; the comments are usually in English, but French has been used where the title of the book is in French, or where the contents of the book are mainly or wholly in French."

"Limited ... to collections published in and after the last two decades of the eighteenth century."

Liste de recueils de traites.

Lista de colecciones de tratados.