Hertfordshire : Harrap Books, 1991 .
526 p. ; 18 cm.
950925567X

By Lewis, T.J..
London : George G. Harrap, 1965

By Stone, Gregory B..
London : Harrap, 1981 024553797X

Gran Bretaña : Harrap Books, 1993 .
526 p. ; 20 cm.
950925567X

By Lewis, H. L..
London : Harrap, 1973 0-245-52097-X

By Morrel, Martha Mcbride.
London : G.Harrap & Co, 1943 .
252 p. : 21,5 cm.

By Rowlands, Dorothy Howard.
London : G.G.Harrap, 1945 .
240 p. ; 19 cm.