W-Z, January 1894-January 1895 Box 8, Folder K-Z Bookmark Collection Context Mattatuck Museum Plume and Atwood Manufacturing Company Records, 1874-1895 and 1909-1957…
X-328-V photo, circa 1930 Box 1, Folder 2 Bookmark Collection Context Mattatuck Museum Cairns Aircraft Research Files, 1929-2017 and undated…
"X-Ray, Pedi, Lab, Nursing" Picture Poster (Photocopies), bulk 1912, 1940, undated Box 2, Folder 17 Bookmark Collection Context Mattatuck Museum Waterbury Hospital School of Nursing Collection, 1904-2012…
Y Bookmark Collection Context Mattatuck Museum Waterbury Manufacturing and Business Collection, bulk circa 1770-1984 and undated; bulk 1824-1890
Yale Alumni Weekly, March 15, 1899 with photo of Hon. Frederick J. Kingsbury on front page, 1899 Box 6, Folder E Bookmark Collection Context Mattatuck Museum Kingsbury Family Papers, 1783 - 1937…
Yale Bill, 1844 Box 5, Folder E Bookmark Collection Context Mattatuck Museum Kingsbury Family Papers, 1783 - 1937…
Yancovitz Brothers (2) Woolens, Silks and Dress Goods, 42 Bank Street Box 14, Folder 20 Bookmark Collection Context Mattatuck Museum Waterbury Manufacturing and Business Collection, bulk circa 1770-1984 and undated; bulk 1824-1890…
Yank: The Army Weekly. May 4, May 11, May 18, and June 1, 1945 Box 8, Folder 4 Bookmark Collection Context Mattatuck Museum Waterbury Military Collection, bulk 1750-1959, 1998, 2007, 2014, 2017…
Yearbook, 10th Annual Reunion, bulk 1934, 1936 Box 3, Folder 7 Bookmark Collection Context Mattatuck Museum Sacred Heart High School Records, 1922-2018…
Yearbook, 1943 Box 1, Folder 14 Bookmark Collection Context Mattatuck Museum Waterbury Hospital School of Nursing Collection, 1904-2012…