The Roman legions,

von Parker, Henry Michael Denne
Cambridge : Heffer and Sons, 1958.
Umfang/Format: VI, 296 p. ; 22 cm.

The Roman legions : by H.M.D. Parker.

von Parker, Henry Michael Denne.
Chicago : Ares, 1985.
Umfang/Format: vi, 296 p. : maps ; 8°.

A history of the Roman world from A.D. 138 to 337

von Parker, Henry Michael Denne.
Methuen's history of the Greek and Roman world ; 7
London : Methuen, 1935.
Umfang/Format: xii, 402 p., [4] folded leaves of plates : ill. ; 23 cm.

The Roman legions

von Parker, Henry Michael Denne
Oxford : The Clarendon Press, 1928.
Umfang/Format: 291 p. : maps ; 23 cm.

A history of the Roman world from A.D. 138 to 337.

Methuen's history of the Greek and Roman world 7
London : Methuen, 1958.
Umfang/Format: XII, 424 S., 4 Kt. ; 22 cm.