Ingpen, Robert R. (1936- ). ( w 1 rekordach )

1. Ingpen, Robert.

1. Encyclopedia of world events / Robert Ingpen & Philip Wilkinson. - Limpsfield, 1991.
2. Oxford online

1. Ingpen, Robert R. (1936- ).

1. Encyclopedia of world events : eighty turning points in history / Ingpen, Robert R.