| #11 | Acta crystallographica, Section B, Structural crystallography and crystal chemistry. -- Copenhagen : Munksgaard, 1968-1982. --  ISSN 0567-7408 print. --  ISSN 1600-8650 online | 
| #12 | Acta crystallographica. -- Copenhagen : Munksgaard, 1948-1967. --  ISSN 0365-110X | 
| #13 | Acta crystallographica, Section A, Foundations of crystallography. -- Oxford : Blackwell Publishing on behalf of the International Society of Crystallography, 1983-. --  ISSN 0108-7673 print. --  ISSN 1600-5724 online | 
| #14 | Acta crystallographica, Section B, Structural science. -- Copenhagen : Munksgaard, Int. Booksellers and Publishers, 1983-. --  ISSN 0108-7681 print. --  ISSN 1600-5740 online | 
| #15 | Acta crystallographica, Section C, Crystal structure communications. -- Copenhagen : Munksgaard, 1983-. --  ISSN 0108-2701 print. --  ISSN 1600-5759 online | 
| #16 | Acta geodynamica et geomaterialia. -- Prague : Institute of Rock Structure and Mechanics ASCR, 2004-. --  ISSN 1214-9705 | 
| #17 | Acta geographica ac geologica et meteorologica Debrecina. -- Debrecen : Kossuth Lajos tudományegyetem, 1974-. --  ISSN 0209-9004 | 
| #18 | Acta geologica. -- Zagreb : Hrvatska akademija znanosti i umjetnosti, 1956-. --  ISSN 0448-0155 | 
| #19 | Acta geologica Academiae Scientiarum Hungaricae. -- Budapest : Akadémiai Kiadó, 1952-1982. --  ISSN 0001-5695 | 
| #20 | Acta geologica et geographica Universitatis Comenianae : Geologica. -- Bratislava : Slovenské pedagogické nakladateľstvo, 1958-1991. --  ISSN 0567-7491 |