REMOVE

1. Estonia
2. Habenicht
3. Stieler, Adolf
4. Justus Perthes

WHAT

1. Atlas Map (2)
2. World Atlas (2)

WHERE

1. Latvia (2)
2. Lithuania (2)
3. Belarus (1)
4. Kaliningrad (1)

WHO

1. Haack, H. (2)
2. Kehnert (2)
3. Kern (2)

WHEN

1. 1925 (1)
2. 1944 (1)
3. 1945 (1)