-Sabine- Postcrossing:
Women in Science: Alice Ball | Alternative RR 202203 von #12 sipsu
-Sabine- Postcrossing:
Women in Science: Gertrude Elion | Alternative RR 202203 von #08 TwoDoggies
-Sabine- Postcrossing:
Women in Science: Karen Horney | TW.3090261
-Sabine- Postcrossing:
Women in Science: Mae Jemison | DE-11359850
-Sabine- Postcrossing:
Women in Science: Maryam Mirzakhani | dt. RR 202202 von #15 Beaknopf
-Sabine- Postcrossing:
Women in Science: Rachel Carson | US-8525641
-Sabine- Postcrossing:
Women in Science: Edith Clarke | US-8671558
-Sabine- Postcrossing:
Women in Science: Edith Clarke | DE-12110282
-Sabine- Postcrossing:
Women in Science: Patricia Bath | US-8633477