Titles
- Alan Gregg in Brazil1
- Alan Gregg in Chatou-Croissy, France1
- Alan Gregg in Japan on his way home from China (image 1)1
- Alan Gregg in Japan on his way home from China (image 2)1
- Alan Gregg in Magdalene River, Colombia1
- Alan Gregg in service uniform during World War I1
- Alan Gregg in uniform1
- Alan Gregg with George W. Merck and New Jersey Governor A. E. Driscoll in Rahway, New Jersey1
- Alan Gregg with a Japanese delegation1
- Alan Gregg with a group in Brazil1
- Alan Gregg with his mother1
- Alan Gregg with microscope at Massachusetts General Hospital1
- Alan Gregg's Brazil diary1
- Alan and Eleanor Gregg at Bangalore with Robert Watson and his wife1
- Alan and Eleanor Gregg in Big Sur, California1
- Albany Regional Medical Program Review1
- Albert D. Lasker1
- Albert Schweitzer and Linus Pauling on a beach in Lambarene, Republic of Gabon1
- Albert Schweitzer, Physician and Humanitarian1
- Albert Szent-Gyorgyi3