illustrated encyclopedia of the world's tanks and fighting vehicles : a technical directory of major combat vehicles from World War 1 to the present day … encyclopedia of modern American small arms / Clemens Elwell ; pref. by Arthur Alphin ; photo descr. by Timothy Jacobs kleine luchtvaart encyclopedie Jagers : aanvals- en lesvliegtuigen / Kenneth Munson ; ill. van John W. Wood ... [et al.] ; vert. en bew. door L. van 't …