United Nations
Organization
Found in 2 Collections and/or Records:
First Day Cover Chemistry Stamp Collection
Collection
Identifier: 2024-506
Abstract
A collection of seven first day covers with chemistry themes, affixed to envelopes.
Dates:
1951-1964
Found in:
Science History Institute Archives
Open Letter to the United Nations by Niels Bohr
Collection
Identifier: 2022-519
Abstract
Booklet titled "Open Letter to the United Nations" by Niels Bohr, dated June 9th, 1950.
Dates:
1950
Found in:
Science History Institute Archives
Additional filters:
- Subject
- Archival materials 1
- First day covers (Philately) 1
- Nobel Prize winners 1
- Physics 1
- Postage stamps 1