Woman aged 70 from Nebraska (Photo by Dorothea Lange, 1940) (Wikimedia Commons)
Primary sources that have been edited, reprinted in facsimiles, or transferred to microfilm can be borrowed through E Z Borrow or interlibrary loan if they are not in Tripod. Many of them will be listed in Tripod and WorldCat under subject terms which include such words as "sources," "letters," "diaries," or "personal narratives." For example, the search (aged OR "old age" OR older) (diaries OR "personal narratives") produces results including:
Nobody's home : candid reflections of a nursing home aide /
Author: Gass, Thomas Edward.; Vladeck, Bruce C. Publication: Ithaca : ILR Press, 2004
Interpreting the aging self : personal journals of later life /
Author: Berman, Harry J. Publication: New York : Springer Pub. Co., 1994
The New York University School of Medicine has created a database of literature and the arts with references to medical conditions. This material gives you a first-person point of view of the various ailments that older people develop.