G. Gerster

The Past from Above

G. Gerster, Ch. Trümpler, Stewart Spencer, 2005 .

River of sorrow, river of hope

G. Gerster, 1975 .

Tsetse: fly of the deadly sleep

G. Gerster, 1986 .

Threatened treasures of the Nile

G. Gerster, 1963 .

Churches in Rock: Early Christian Art in Ethiopia

G. Gerster, 1970 .