- Chisholm 1911.
- Clark, Hugh; Wormull, Thomas (1829). An Introduction to Heraldry. H. Washbourne. p. 11. Retrieved 17 January 2019.
- "Definition: arms of alliance". Merriam-Webstar Dictionary. Retrieved 17 January 2019.
(heraldry 1) arms taken up by the issue of heiresses to show their maternal descent. (heraldry 2) arms acquired by marriage
- This article incorporates text from a publication now in the public domain: Chisholm, Hugh, ed. (1911). "Heraldry". Encyclopædia Britannica. 13 (11th ed.). Cambridge University Press.
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