| #41 | Applied mathematics and optimization. -- New York : Springer, 1974-. --  ISSN 0095-4616 print. --  ISSN 1432-0606 online | 
| #42 | Applied microbiology and biotechnology. -- Berlin : Springer, 1984-. --  ISSN 0175-7598 print. --  ISSN 1432-0614 online | 
| #43 | Applied physics. -- Berlin : Springer, 1995-. --  ISSN 0947-8396 print. --  ISSN 1432-0630 online | 
| #44 | Applied physics, B, Lasers and optics. -- Berlin : Springer, 1994-. --  ISSN 0946-2171 print. --  ISSN 1432-0649 online | 
| #45 | Applied physics. -- Berlin : Springer, 1973-1981. --  ISSN 0340-3793 | 
| #46 | Applied physics., A, Solids and surfaces. -- Berlin : Springer, 1981-1994. --  ISSN 0721-7250 | 
| #47 | Applied physics., B, Photophysics and laser chemistry. -- Berlin : Springer, 1981-1993. --  ISSN 0721-7269 | 
| #48 | Arbeiten aus dem Kaiserlichen Gesundheitsamte. -- Berlin : Springer, 1886-1917. --  ISSN 0177-9435 | 
| #49 | Arbeiten aus dem Reichsgesundheitsamte. -- Berlin : Springer, 1919-1942. --  ISSN 0177-9443 | 
| #50 | Argumentation. -- Dordrecht : Springer, 1987-. --  ISSN 0920-427X print. --  ISSN 1572-8374 online |