Subject
- First day covers (Philately)45
- Fischer, Emil, 1852-19191
- Fleming, Alexander, 1881-19552
- Fluegel, Herman F.1
- Fluegel, Herman F. (Captain), 1882-19531
- Food and Agriculture Organization of the United Nations1
- France12
- France--Orange2
- Gadolin, Johan, 1760-18521
- Gay-Lussac, Joseph Louis, 1778-18501
- Geologists1
- Germany4
- Germany (East)6
- Germany--Berlin2
- Ghana3
- Ghana--Accra1
- Gravity1
- Grignard, Victor, 1871-19351
- Guinea-Bissau1
- Guo li qing hua da xue (Hsinchu City, Taiwan)1