Titles
- Andreas Ridigerus2
- Andreas Vesalius2
- Andreas Vesalius Bruxellensis2
- Andrew Ure. M.D. F.R.S. &c2
- Annual meeting of the Board of Directors of the Gorgas Memorial Institute2
- Ant. Portal2
- Antoine Gouan2
- Antoine Laurent Lavoisier2
- Antoine Petit2
- Antoni van Leeuwenhoek2
- Antonius Vallisnerius2
- Anutius Foesius2
- Apothecaries Hall2
- Archimedes2
- Armory Hospital, Washington, D.C2
- Armstrong2
- Army Epidemicological Board Meeting2
- Army and Navy General Hospital, Hot Springs, Arkansas: Arm and leg bath2
- Army and Navy General Hospital, Hot Springs, Arkansas: Arthritis patient on exercise table in pool2
- Army and Navy General Hospital, Hot Springs, Arkansas: General view2