Volume I, second edition, revised and enlarged, 1969. Concerning printed material relating to discovery, exploration and travel issued in the Netherlands to 1921. With a list of periodicals, various indices, appendix and errata. Volume II, first edition, 1968, is an index and bibliography of Dutch manuscripts and charts relating to discovery. With index, bibliography, checklist, vocabulary and a fold-out chart of the Malay Archipelago and Australia. Volume III, second edition, revised and enlarged, 1970, Printed material relating to discovery, exploration and travel issued in Europe to 1853. With a list of periodicals, bibliography, geographical index and an index of ships cited. All three volumes have minor bumping to the corners.