State Library of New South Wales - Dixson Library
1. Bank book of Bank of Australia in account with Alexander Berry 1837, with later entries 1947. 2. List of documents left with Norton and Co., 1855. 3. Shoalhaven Estate tenant list & yearly return 1864, with payments listed, 1864-1871. 4. List of deeds re Berry Estate, 1825-1886, with list of deeds, 1845-1879, left with Norton and Co., 1892. 5. List of landholders, parish of Coolangatta, 1903. 6. Balance sheets, North Sydney & Shoalhaven estates, 1904. 7. Draft letter to Principal, [Donaldson], from [Sir John Hay], Crow's Nest, 1904, re Berry bequest. 8. Printed diary, 1915, with MS entries by [Maj Alexander Hay] 9. Milk returns of Alexander Hay, 1939-1941
University of Wyoming - American Heritage Center
Collection contains information on the extended Hay family from 1799-1978. There is a journal from 1815 of Henry G. Hay (dates unknown) of Economy, Pennsylvania, who seems to be a brother of William Hay; photocopies of letters sent by John Duffield Hay to his father, William Hay (1799-1812) regarding John's move to Indiana from Pennsylvania; Henry G. Hay Sr.'s correspondence from 1891-1916 (bulk 1891-1893) dealing with business matters and the Johnson County War; Hay Sr.'s field notes of surveys of the boundaries of Cheyenne, Wyoming, and Fort D.A. Russell in 1870; Henry G. Hay Jr.'s correspondence from 1922-1923 regarding his trip to Europe; Henry G. Hay III's correspondence (1942-1946) while he was in the army, and his diaries (1942-1978); a scrapbook of the Hay family from 1874-1971; photographs of the Hay family from 1879-1923; newsclippings; artifacts; and miscellaneous other materials
Huntington Library, Art Collections, and Botanical Gardens
The Hay Family papers contain personal and business letters, legal documents, as well as official documentation of Thomas Hay's pension. The first three folders contain letters from Thomas Hay to his family during the Civil War. The fourth and fifth folders focus on Elizabeth Hay's efforts to receive Thomas' pension after his death. The sixth deals with Thomas' affiliation with Freemasonry in both the United States and Chile. The eighth folder contains documentation regarding Elizabeth Hay's estate upon her passing
State Library of New South Wales - Dixson Library
Robert Hay, 1775-1839, was transported in 1801 and later became a farmer in New Norfolk, Tasmania
Yale University
Sketch of the life and character of William Erskine, Lord Kinneder (1769-1822), written by Hay Donaldson, and published in Edinburgh in 1822