• ACS Applied Energy Materials
• ACS Applied Materials and Interfaces
• Acta Anaesthesiologica Scandinavica
• Acta Astronautica
• Acta Astronomica
• Acta Astronomica Sinica
• Acta Crystallographica Section A
• Acta Geodaetica et Geophysica
• Acta Geodaetica et Geophysica Hungarica
• Acta Geophysica Polonica
• Acta Historica Astronomiae
• Acta Montana. Serie AB: Geodynamics & Fuel, Carbon, Mineral Processing
• Acta Physica Polonica A
• Advanced Engineering Materials
• Advances in Agronomy
• Advances in Applied Microbiology
• Advances in Astronomy and Space Physics
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• Agricultural and Forest Meteorology
• Agriculture Ecosystems and Environment
• AGU Advances
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• Akademie aktuell / Bayerische Akademie der Wissenschaften
• Akademie-Journal : Magazin der Union der Deutschen Akademien der Wissenschaften.
• American Journal of Agricultural and Biological Science
• American Journal of Applied Sciences
• American Journal of Physics
• Anais da Academia Brasileira de Ciencias
• Analytica Chimica Acta
• Analytical and Bioanalytical Chemistry
• Analytical Science Advances
• Annals of Applied Biology
• Annals of Applied Statistics
• Annals of Arid Zone
• Annals of the Brazilian Academy of Sciences
• Annals of the New York Academy of Sciences
• Annual Review of Earth and Planetary Sciences
• Antonie van Leeuwenhoek, International Journal of General and Molecular Microbiology
• Applied and Environmental Microbiology
• Applied and Environmental Soil Science
• Applied Catalysis A: General
• Applied Engineering in Agriculture
• Applied Mechanics and Materials
• Applied Microbiology and Biotechnology
• Applied Physics A - Material Science & Processing
• Aratora : Zeitschrift des Vereins für Heimatkunde, Geschichte und Schutz von Artern e.V.
• Archaeological and Anthropological Sciences
• Archaeological Research in Asia
• Archäologische Mitteilungen aus Iran und Turan
• Archive for Rational Mechanics and Analysis