| Secrets of Polar Travel
Robert E. Peary | |
| Secrets of Radar
Roy J. Snell | |
| Secrets of the Andes
James H. Foster | |
| Secrets of the Bosphorus
Henry Morgenthau | |
| Secrets of the Late Rebellion, Now Revealed for the First Time
Jacob R. Freese | |
| Secrets of the Sword
baron de César Lecat Bazancourt | |
| Secrets of the woods
William J. Long | |
| Secrets of Wise Men, Chemists and Great Physicians
William K. David | |
| Section Cutting and Staining / A practical introduction to histological methods for students and practitioners
Walter S. Colman | |
| Section-Cutting / A Practical Guide to the Preparation and Mounting of Sections for the Microscope, Special Prominence Being given to the Subject of Animal Sections
Sylvester Marsh |
