Facsimile reprint of the original edition of 1882-1889 first published in Bruxelles. (Besterman 587). A truly exhaustive bibliography, Houzeau and Lancaster's work is recognized as the primary bibliographical source for the history of astronomy from the earliest times up to 1880. Altogether, there are nearly 3,000 pages of text and approximately 42,000 bibliographical citations. Volume I, with 17,000 items, covers separate printed works and manuscripts, and was intended to have a third part that was never published. Volume II, an exhaustive bibliography of the periodical literature up to 1880-1881, contains some 25,000 references arranged by subject. A previous reprint edition that contained new editorial contributions is not reproduced in this edition.