By Thomsen, Julius.
London : Longmans-Green, 1920 .
xv, 495 p. : , Contiene tablas.

By Morley, Athur.
London : Longmans, 1961

By Stamp, L. Dudley.
London : G.Longmans, 1938 .
256 p. : 18,5 cm.

By Smythe, J. A..
London : Longmans Green and Co, 1923 .
343 p. ; 22 cm.

By Desch, Cecil H..
London : Longmans Green and Co, 1944 .
408 p. : 21 cm.

By Phillips, F. C..
London : Longmans Green, 1946 .
291 p. : 21,5 cm.

By Terpstra, P..
London : Longmans, 1961 .
420 p. : 26 cm.

By Grove, W. R..
London : Longmans, 1867 .
363 p. : 21,5 cm.

By Rickard, F. Ignacio.
London : Longmans and Co., 1870 .
323 p. ; 22 cm.

By Phillips, F. C..
London : Longmans Green, 1960 .
324 p. : 23 cm.