Flowers of the American West. A selection of plates from the 1915 “Field book of western wild flowers” which was written by Margaret Armstrong in collaboration with John James Thornber who was a professor of botany in Arizona.

"Orange Mariposa Tulip" (Calochortis Kennedyi). Frontispiece.
“Orange Mariposa Tulip” (Calochortis Kennedyi). Frontispiece. Page 6. Collection of the New York Botanical Garden. Metropolitan New York Library Council, digitalizing sponsor. In the public domain due to age. via https://www.biodiversitylibrary.org/item/126806#page/6/mode/1up
fieldbook00arms_0031
“Arrowhead” (Sagittaria latifolia). Page 31. Collection of the New York Botanical Garden. Metropolitan New York Library Council, digitalizing sponsor. In the public domain due to age. via https://www.biodiversitylibrary.org/item/126806#page/29/mode/1up
Wild Onion" (Allium acuminatum).
“Wild Onion” (Allium acuminatum). Page 41. Collection of the New York Botanical Garden. Metropolitan New York Library Council, digitalizing sponsor. In the public domain due to age. Via https://www.biodiversitylibrary.org/item/126806#page/41/mode/1up
"Wild Onion" (Allium bisceptrum and Allium serratum).
“Wild Onion” (Allium bisceptrum and Allium serratum). Page 45. Collection of the New York Botanical Garden. Metropolitan New York Library Council, digitalizing sponsor. In the public domain due to age. Via https://www.biodiversitylibrary.org/item/126806#page/43/mode/1up

Down to the water with American realist painter Stephen Etnier. Living from 1903 to 1984, he studied at the Pennsylvania Academy of Fine Arts in Philadelphia.

"Waterway Boatyard."
“Waterway Boatyard.” 20th c. Oil on masonite. Signed on the lower left. © Estate of the artist. Image © 2002-2020 LiveAuctioneers. Fair use license. via https://www.liveauctioneers.com/item/80933620_stephen-etnier-waterway-boatyard
Etnier_Still_Morning
“Still Morning.” 1960. Private collection. © Estate of the artist. Image © wikiwand.com. Fair use license. via https://www.wikiwand.com/en/Stephen_Etnier
"Mount Desert Recollections." 1973.
“Mount Desert Recollections.” 1973. Oil on board. Signed “Stephen Etnier” on the lower right. Inscribed “Stephen Etnier for Norman Kloude 1973” on the reverse. © Estate of the artist. Image © lofty.com. Fair use license. via https://www.lofty.com/products/mt-desert-recollections-1-50l7j

Studies done for the lid of the Steinway piano given to the White House during the Franklin Delano Roosevelt administration. 1938. Art Deco. Dunbar Beck, artist. Also worked with the WPA and did murals for the 1939-1940 New York World’s Fair.

13181361_master
“Come Muse Migrate,” study for the lid of the White House Steinway piano. 1938. American. Gouache and pencil on heavy paper. Image © 1stdibs, Inc. 2020. Fair use license. via https://www.1stdibs.com/furniture/wall-decorations/paintings/come-muse-migrate-art-deco-study-white-house-piano-whitman-poem/id-f_13181361/
"Music with Conch and Lyre,"
“Music with Conch and Lyre,” including a triton blowing a conch shell, and other gods with lyre, cymbals and flute. Study for the lid of the White House Steinway piano. 1938. American. Gouache and pencil on heavy paper. Image © 1stdibs, Inc. 2020. Fair use license. via https://www.1stdibs.com/furniture/wall-decorations/paintings/music-conch-lyre-study-white-house-piano-dunbar-beck-1938/id-f_13159091/

Landscapes by American painter Marsden Hartley, (1877-1943).

1“Mount Katahdin (Maine), Autumn #2.” 1939.
“Mount Katahdin (Maine), Autumn #2.” 1939. Oil on canvas. Collection of the Metropolitan Museum of Art, New York. Image © 2020 The New York Times Company. Fair use license. via https://www.nytimes.com/2017/03/16/arts/design/marsden-hartleys-maine-his-muse-first-and-last.html
"Popocatepetl, Spirited Morning, Mexico." 1932.
“Popocatepetl, Spirited Morning, Mexico.” 1932. In the public domain in the United States because the artist died over 70 years ago. via https://fineartamerica.com/featured/popocatepetl-spirited-morning-mexico-1932-marsden-hartley.html?product=art-print
"The Wave." 1940.
“The Wave.” 1940. Oil on masonite-type hardboard. Collection of the Worcester Art Museum. Image © The Art Students League of New York. Fair use license. via https://www.asllinea.org/marsden-hartley-met-breuer/

Color analysis charts, plates from “Color problems; a practical manual for the lay student of color.” Written by America artist Emily Noyes Vanderpoel, it was published in 1902 with over 100 plates. A selection of these with more to come.

"Solar Spectra," Figures 1 and 2. Figure 1: "From a Prism." Figure 2: From a Diffraction Grating." Plate 2, Page 163.
“Solar Spectra,” Figures 1 and 2. Figure 1: “From a Prism.” Figure 2: From a Diffraction Grating.” Plate 2, Page 163. Collection of and digitalized by the Smithsonian Institutions. In the public domain. via https://archive.org/details/colorproblemspra00vand/page/n162/mode/2up
"The Spectral Colors, Figures A and B. Figure A: In their order of Luminosity. Figure B: Pure and Grayed." Plate IV, page 167.
“The Spectral Colors, Figures A and B. Figure A: In their order of Luminosity. Figure B: Pure and Grayed.” Plate IV, page 167. Collection of and digitalized by the Smithsonian Institutions. In the public domain. via https://archive.org/details/colorproblemspra00vand/page/n166/mode/2up
"Advancing and Retiring Colors." Plate VI. Page 171.
“Advancing and Retiring Colors.” Plate VI. Page 171. Collection of and digitalized by the Smithsonian Institutions. In the public domain. via https://archive.org/details/colorproblemspra00vand/page/n170/mode/2up
colorproblemspra00vand_0185
“Orange with its Extremes.” Plate XIII, page 185. Collection of and digitalized by the Smithsonian Institutions. In the public domain. via https://archive.org/details/colorproblemspra00vand/page/n184/mode/2up

Pochoir prints of collages in the mid 1920s “Revolving Doors” series by Man Ray (1890-1976) who is mostly known for his photography. These are from the Museum of Modern Art in New York.

"Mime." 1926.
“Mime.” 1926. One from a portfolio of ten pochoir prints. © 2019 Man Ray Trust / Artists Rights Society (ARS), New York / ADAGP, Paris. Image © 2020 The Museum of Modern Art. Fair use license. via https://www.moma.org/collection/works/68230?artist_id=3716&locale=en&page=1&sov_referrer=artist
"Long Distance." 1926.
“Long Distance.” 1926. One from a portfolio of ten pochoir prints. © 2019 Man Ray Trust / Artists Rights Society (ARS), New York / ADAGP, Paris. Image © 2020 The Museum of Modern Art. Fair use license. via https://www.moma.org/collection/works/68233?artist_id=3716&locale=en&page=1&sov_referrer=artist
"Decanter." 1926
“Decanter.” 1926. One from a portfolio of ten pochoir prints. © 2019 Man Ray Trust / Artists Rights Society (ARS), New York / ADAGP, Paris. Image © 2020 The Museum of Modern Art. Fair use license. via https://www.moma.org/collection/works/68237?artist_id=3716&locale=en&page=1&sov_referrer=artist

Still lifes with flowers but no food. American. Alice Brown Chittenden, painter. Living from 1859 to 1944, she also taught at what is now the San Francisco Art Institute.

"Still Life with Violets." 1891. I
“Still Life with Violets.” 1891. In the public domain due to age. via https://stilllifequickheart.tumblr.com/page/2
Still life with roses and lilac.
Still life with roses and lilac. 1895. Oil on canvasboard. Signed and dated “Alice B. Chittenden. 1895” Signed again and inscribed “Alice B. Chittenden” on the back. Image © Bonhams 2001-2020. Fair use license. via https://www.bonhams.com/auctions/25297/lot/34/
"Still Life with California Poppies."1902.
“Still Life with California Poppies.”1902. Photo courtesy of the Irvine Museum. In the public domain in the United States because it was published before January 1, 1925. via https://commons.wikimedia.org/wiki/File:Alice_Brown_Chittenden,_Still_Life_with_California_Poppies,_1902.jpg
"Violets." No date. Oil on canvas on board.)
“Violets.” No date. Oil on canvas on board. Image © 2013 Christopher Queen Galleries. Fair use license. via http://christopherqueengallery.com/alice-chittenden-violets/