Dennis, Massachusetts (English Wikipedia)

"1980 Census of the Population, Number of Inhabitants: Massachusetts" (PDF). US Census Bureau. December 1981. Table 4. Populations of County Subdivisions: 1960 to 1980. PC80-1-A23. Retrieved July 12, 2011.
"1950 Census of Population" (PDF). Bureau of the Census. 1952. Section 6, Pages 21-10 and 21-11, Massachusetts Table 6. Population of Counties by Minor Civil Divisions: 1930 to 1950. Retrieved July 12, 2011.
"1920 Census of Population" (PDF). Bureau of the Census. Number of Inhabitants, by Counties and Minor Civil Divisions. Pages 21-5 through 21-7. Massachusetts Table 2. Population of Counties by Minor Civil Divisions: 1920, 1910, and 1920. Retrieved July 12, 2011.
"1890 Census of the Population" (PDF). Department of the Interior, Census Office. Pages 179 through 182. Massachusetts Table 5. Population of States and Territories by Minor Civil Divisions: 1880 and 1890. Retrieved July 12, 2011.
"1870 Census of the Population" (PDF). Department of the Interior, Census Office. 1872. Pages 217 through 220. Table IX. Population of Minor Civil Divisions, &c. Massachusetts. Retrieved July 12, 2011.
"1860 Census" (PDF). Department of the Interior, Census Office. 1864. Pages 220 through 226. State of Massachusetts Table No. 3. Populations of Cities, Towns, &c. Retrieved July 12, 2011.
"1850 Census" (PDF). Department of the Interior, Census Office. 1854. Pages 338 through 393. Populations of Cities, Towns, &c. Retrieved July 12, 2011.

"1990 Census of Population, General Population Characteristics: Massachusetts" (PDF). US Census Bureau. December 1990. Table 76: General Characteristics of Persons, Households, and Families: 1990. 1990 CP-1-23. Retrieved July 12, 2011.
"City and Town Population Totals: 2020−2023". United States Census Bureau. Retrieved May 19, 2024.
"U.S. Census website". United States Census Bureau. Retrieved January 31, 2008.

"Total Population (P1), 2010 Census Summary File 1". American FactFinder, All County Subdivisions within Massachusetts. United States Census Bureau. 2010.

databasin.org

"Town of Dennis Beaches". Archived from the original on September 6, 2008. Retrieved August 3, 2010.
"Recycling Home". Archived from the original on July 11, 2007. Retrieved May 28, 2007.

"Shiverick Shipyard | Dennis Historical Society". www.dennishistoricalsociety.org. Retrieved October 11, 2024.
"Cape Playhouse | Dennis Historical Society". www.dennishistoricalsociety.org. Retrieved September 27, 2024.

Grimes, William. "Edward Gelsthorpe, Master Marketer, Dies at 88", The New York Times, September 27, 2009. Accessed September 29, 2009.

"PRISM Climate Group, Oregon State U". www.prism.oregonstate.edu. Retrieved June 26, 2019.

"Census - Geography Profile: Dennis town, Barnstable County, Massachusetts". Archived from the original on October 6, 2021. Retrieved October 6, 2021.
"Bass River Lighthouse". Cape Cod Lighthouses. Archived from the original on July 14, 2015. Retrieved July 22, 2015.
"Town of Dennis Beaches". Archived from the original on September 6, 2008. Retrieved August 3, 2010.
"Recycling Home". Archived from the original on July 11, 2007. Retrieved May 28, 2007.
"Index of Legislative Representation by City and Town, from Mass.gov". Archived from the original on September 29, 2007. Retrieved February 26, 2007.