rectangle diamond format
Unlocking History Concept uri
https://letterlocking.org/doll/concept/409
Preferred label
rectangle diamond format
Alternative label
quadrilateral – rectangle diamond format; 4RD
Scope note
A letterpacket with four distinct edges, one or more of which may be longer than the others. When oriented so the address can be read, the packet is diamond-shaped.
Top concept
techniques
https://letterlocking.org/doll/concept/611
Broader/Parent concept
rectangle format
https://letterlocking.org/doll/concept/408
Related concept
letterlocking category
https://letterlocking.org/doll/concept/225
The Arts & Architecture ThesaurusⓇ Online, The Getty Research Institute Concept uri
Not in AAT
The Language of Bindings Thesaurus (LoB) Concept uri
Not in LoB
Scope note source reference
Source
Jana Dambrogio and Daniel Starza Smith with the Unlocking History Research Group. Letterlocking: The Hidden History of the Letter. Cambridge and London: MIT Press, 2025.
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