Heere, Wybo P. International bibliography of air law 1900-1971. [By] Wybo P. Heere. With a foreword by Eugène Pépin. - Leiden Dobbs Ferry, N.Y. Sijthoff Oceana 1972. - xxvi, 569 p. 25 cm. LCCN: 72086857 Nat. Bib. No.: Ne72-43 Subjects--Topical Terms: Aeronautics--Law and legislation--Bibliography. LC Class. No.: Z6464.A4 / H43 Dewey Class. No.: 016.3417/567