[Franek Grabowski]

What is the difference between those files? They cover overlapping period.

RL 2-III_752 Bd. 1 - 31.Aug - 31.Dez.40
RL 2-III_753 Bd. 2 - 1.Jan - 30.Mai.41
RL 2-III_754 Bd. 3 - 3.Jun - 31.Juli.41
RL 2-III_755 Bd. 4 - 1.Aug - 15.Okt.41
RL 2-III_757 Bd. 6 - 16.Jan - 18.Febr.42
RL 2-III_758 Bd. 7 - 19.Febr - 20.Mar.42
RL 2-III_759 Bd. 8 - 21.Marz - 17.Apr.42

RL 2-III_1174 Bd. 3 - 3.Jun - 2.Sept.40
RL 2-III_1175 Bd. 4 - 3.Sept.40 - 2.Jan.41
RL 2-III_1176 Bd. 5 - 3.Jan. - 29.Mai.41
RL 2-III_1177 Bd. 6 - 30.Mai - 2.Aug.41
RL 2-III_1178 Bd. 7 - 3.Aug - 2.Nov.41
RL 2-III_1179 Bd. 8 - 3.Nov.41 - 2.Febr.42
RL 2-III_1180 Bd. 9 - 3.Febr - 2.Mai.42