Neuzugänge
zu den Filteroptionen- Wien : Knöpflmacher, 1892
- Berlin : Pormetter, 1891
- Jena : Diederichs, 1925
- Jena : Diederichs, 1928
- Jena : Diederichs, 1924
- Jena : Diederichs, 1924
- Jena : Diederichs, 1921
- Jena : Diederichs, 1923
- Jena [u.a.] : Diederichs, 1921 - 1922
- Jena [u.a.] : Diederichs, 1921
- Jena [u.a.] : Diederichs, 1922
- Jena [u.a.] : Diederichs, 1921