Bibliography
Sources cited across Anniversary Atlas.
Every year-spoke entry cites the same baseline sources, plus year-specific additions where applicable. The list below is the full bibliography.
Primary canonical sources
- Wikipedia, "Wedding anniversary". Accessed 2026-05-19.
- Emily Post Institute, "Wedding Anniversary Gift Chart". Accessed 2026-05-19.
- Hallmark, "Wedding Anniversary Gifts by Year". Accessed 2026-05-19.
- American Gem Society, "Anniversary Gemstones". Accessed 2026-05-19.
Secondary cross-references
- The Knot, "Anniversary Gifts by Year". Accessed 2026-05-19.
- Brides Magazine, "Modern + Traditional Anniversary Gift Guide". Accessed 2026-05-19.
- Better Homes & Gardens, "Wedding Anniversary Gifts: Traditional and Modern by Year". Accessed 2026-05-19.
- American Gem Trade Association, "Anniversary Gemstones Reference". Accessed 2026-05-19.
Historical primary lists
- 1922 British wedding-anniversary guide. Covered the major milestone years (1, 5, 10, 15, 20, 25, 50). Documented in subsequent etiquette literature; original publication unattributed in the modern record.
- 1937 Anniversary Books Bureau publication. The American codification of the traditional list. Adopted by Emily Post.
- 1948 Helen Marek modern alternate list. Published by a Chicago jeweler. The basis of the modern alternate canon.
- 1957 American Gem Society gemstone designations. Standardised the gemstone list still in use today.
- 2002 American Gem Trade Association revision. Updated select gemstone designations (notably tanzanite at year 24).