KO KNOWLEDGE ORGANIZATION / SAWONIAK, Henry, with the collaboration of Maria WITT. International Bibliography of Bibliographies in Library and Information Science and related fields. Volume II. 1979 – 1990. München: Saur, 1999. 3 Vols. (liii, 1208 p.). ISBN 3-598-11145-2
KO KNOWLEDGE ORGANIZATION / SAWONIAK, Henry, with the collaboration of Maria WITT. International Bibliography of Bibliographies in Library and Information Science and related fields. Volume II. 1979 – 1990. München: Saur, 1999. 3 Vols. (liii, 1208 p.). ISBN 3-598-11145-2