Gilded age 1865-1898
Moore, Tony. "Boss Tweed - - Biography.com." Bio.com. A&E Networks Television, n.d. Web. 29 Sept. 2016.
Nast, Thomas. The "Brains" Digital image. N.p., n.d. Web. 29 Sept. 2016.
Carter, Bruce. "We Remember Wounded Knee, 1890-1973." The Library of Congress. Library of Congress, n.d. Web. 29 Sept. 2016.
Harper & Brothers. "Harper's First Reader : In Two Parts." (Book, 1888) [WorldCat.org]. Harper & Brothers, 12 May 2016. Web. 29 Sept. 2016.
Shepherd, Jessie. "[Dressing up the Cat] | Library of Congress." [Dressing up the Cat]. Library of Congress, n.d. Web. 29 Sept. 2016.
"Literacy." Our World In Data Comments. Oxford Martin School, n.d. Web. 29 Sept. 2016.
"Timothy H. O'Sullivan | Ancient Ruins in the Canon De Chelley (1873) | Artsy." Timothy H. O'Sullivan | Ancient Ruins in the Canon De Chelley (1873) | Artsy. Artsy, n.d. Web. 29 Sept. 2016.
Stoll, H. George. Territorial Growth. Digital image. Hammond Incorporated, n.d. Web. 30 Sept. 2016.
"The Pulaski Citizen., May 20, 1886, Image 3." The Pulaski Citizen. (Pulasaki, Tenn.) 1866-current, May 20, 1886, Image 3 Chronicling America Library of Congress. University of Tennesee, n.d. Web. 1 Oct. 2016.
Keith, William. Yosemite Valley. Digital image. Yosemite_Valley_by_William_Keith,_1875.jpg (2392x1329). Wikimedia, n.d. Web. 2 Oct. 2016.
Galleries, By. "William Keith." - Artist Biography for. AskART, n.d. Web. 02 Oct. 2016.
Progressive era 1898-1930
Berraud, Francis. "[Photograph of the Painting "Dog Looking at and Listening to a Phonograph," by Francis Berraud in 1898]." The Library of Congress. Library of Congress, n.d. Web. 13 Oct. 2016.
Horydczak, Theodor. "Corcoran Art Gallery. Exterior of Corcoran Art Gallery." The Library of Congress. Library of Congress, n.d. Web. 18 Oct. 2016.
Paus, Herbert Andrew. "[World War I Soldiers] / Paus." The Library of Congress. Library of Congress, n.d. Web. 18 Oct. 2016.
"Amarillo Daily News. (Amarillo, Tex.) 19??-current, November 11, 1922, Section Two, Page PAGE THREE, Image 9." News about Chronicling America RSS. Amarillo Pub. Co., n.d. Web. 19 Oct. 2016.
"Rights for Women." Rights for Women. N.p., n.d. Web. 20 Oct. 2016.
Weinberg, Author: H. Barbara. "American Impressionism | Essay | Heilbrunn Timeline of Art History | The Metropolitan Museum of Art." The Met's Heilbrunn Timeline of Art History. The Metropolitan Museam of Art, Oct. 2004. Web. 20 Oct. 2016.
1931-1960
Block, Herbert. "War Footing / Herblock." The Library of Congress. Washington Post, n.d. Web. 29 Nov. 2016.
@AckermanFineArt. "The Significance of American Modernism | Ackerman's Fine Art." Ackerman's Fine Art. Ackerman's Fine Art, 21 Sept. 2015. Web. 01 Dec. 2016.
Moore, Tony. "Boss Tweed - - Biography.com." Bio.com. A&E Networks Television, n.d. Web. 29 Sept. 2016.
Nast, Thomas. The "Brains" Digital image. N.p., n.d. Web. 29 Sept. 2016.
Carter, Bruce. "We Remember Wounded Knee, 1890-1973." The Library of Congress. Library of Congress, n.d. Web. 29 Sept. 2016.
Harper & Brothers. "Harper's First Reader : In Two Parts." (Book, 1888) [WorldCat.org]. Harper & Brothers, 12 May 2016. Web. 29 Sept. 2016.
Shepherd, Jessie. "[Dressing up the Cat] | Library of Congress." [Dressing up the Cat]. Library of Congress, n.d. Web. 29 Sept. 2016.
"Literacy." Our World In Data Comments. Oxford Martin School, n.d. Web. 29 Sept. 2016.
"Timothy H. O'Sullivan | Ancient Ruins in the Canon De Chelley (1873) | Artsy." Timothy H. O'Sullivan | Ancient Ruins in the Canon De Chelley (1873) | Artsy. Artsy, n.d. Web. 29 Sept. 2016.
Stoll, H. George. Territorial Growth. Digital image. Hammond Incorporated, n.d. Web. 30 Sept. 2016.
"The Pulaski Citizen., May 20, 1886, Image 3." The Pulaski Citizen. (Pulasaki, Tenn.) 1866-current, May 20, 1886, Image 3 Chronicling America Library of Congress. University of Tennesee, n.d. Web. 1 Oct. 2016.
Keith, William. Yosemite Valley. Digital image. Yosemite_Valley_by_William_Keith,_1875.jpg (2392x1329). Wikimedia, n.d. Web. 2 Oct. 2016.
Galleries, By. "William Keith." - Artist Biography for. AskART, n.d. Web. 02 Oct. 2016.
Progressive era 1898-1930
Berraud, Francis. "[Photograph of the Painting "Dog Looking at and Listening to a Phonograph," by Francis Berraud in 1898]." The Library of Congress. Library of Congress, n.d. Web. 13 Oct. 2016.
Horydczak, Theodor. "Corcoran Art Gallery. Exterior of Corcoran Art Gallery." The Library of Congress. Library of Congress, n.d. Web. 18 Oct. 2016.
Paus, Herbert Andrew. "[World War I Soldiers] / Paus." The Library of Congress. Library of Congress, n.d. Web. 18 Oct. 2016.
"Amarillo Daily News. (Amarillo, Tex.) 19??-current, November 11, 1922, Section Two, Page PAGE THREE, Image 9." News about Chronicling America RSS. Amarillo Pub. Co., n.d. Web. 19 Oct. 2016.
"Rights for Women." Rights for Women. N.p., n.d. Web. 20 Oct. 2016.
Weinberg, Author: H. Barbara. "American Impressionism | Essay | Heilbrunn Timeline of Art History | The Metropolitan Museum of Art." The Met's Heilbrunn Timeline of Art History. The Metropolitan Museam of Art, Oct. 2004. Web. 20 Oct. 2016.
1931-1960
Block, Herbert. "War Footing / Herblock." The Library of Congress. Washington Post, n.d. Web. 29 Nov. 2016.
@AckermanFineArt. "The Significance of American Modernism | Ackerman's Fine Art." Ackerman's Fine Art. Ackerman's Fine Art, 21 Sept. 2015. Web. 01 Dec. 2016.