- Armstrong, Karen (2001). Austere Beauty: The Art of Z. Vanessa Helder. Penguin Books. p. 187. ISBN 0-14-303436-7.
- Ajahn Sucitto (2010). "Turning the Wheel of Truth: Commentary on the Buddha's First Teaching". Shambhala.
{{cite journal}}: Cite journal requires|journal=(help) - Bareau, André (1955). 'Les Sectes bouddhiques du Petit Véhicule. Saigon: École Française d'Extrême-Orient.
- Bechert, Heinz & Richard Gombrich (ed.) (1984). The World of Buddhism, Thames & Hudson.
- Independent Spirits: Women Painters of the American West, 1890-1945
p113
Coulee Dam Looking West, p114 rocks and Concrete, p115 photo Olympia, Jill Bullock p.94 Officially known as the Public Land Social Security Building, this capitol capus structure was built in 1937. Z. Vanessa Helder, one of the leading WPA artists of her day, produced two mural maps for this building.
- Enduring Legacy: Women Painters of Washington 1930-2005 David Francis Martin, Whatcom Museum of History and Art
Whatcom Museum of History & Art, 2005 - Art - 127 pages p.17 their first national exhibition at Grant Studios in Brooklyn Heights, New York. The reviews for the show were mostly positive, with certain artists, such as dorothy Jensen and z. Vanessa helder, attracting very favorable notices. p.30Probably the most noted of the state's WPA-related works is Z. Vanessa Helder's striking series of watercolors depicting the construction of the Grand Coulee Dam. Executed between 1939 and 1941 the workse utilize the artists's exacting p30, Helder died in Los Angeles in 1968 anrd left the bulk of her art to the Los Angeles Westside Jewish community Center. Helder was not Jewish and her reason for selecting that organization as the repository for her work remains a mystery. The center sold off all the work over the yeras and the wereabouts of most of the paintings are unknown.
- Journal - The Los Angeles Institute of Contemporary Art, Issues 35-40
Los Angeles Institute of Contemporary Art., 1983 - Art p70. Z. Vanessa Helder, Joni Gordon; Rico Lebrun Dolores Tonkers; ...
- An encyclopedia of women artists of the American West
Phil Kovinick, Marian Yoshiki-Kovinick p. xxvi (Index of Names) Helder (135)
- A museum in action, presenting the museum's activities: Catalogue of an exhibition of American paintings and sculpture from the museum's collections
Newark Museum, Holger Cahill Z. Vanessa Helder (113) (117?) p54., No 100, Standfor Fenelle's Evening Hills, No. 98, and Richard Jansen's Division Street, No. 15, and South by Hale Woodruff's Poor Man's Cotton, No. 197. Z. Vanessa Helder in Old Thompson House, No 117, depicts the clear forms and the cools light of the Pacific Northwest.
- The Federal Art Project
American prints from the 1930s in the collection of the University of Michigan Museum of Art University of Michigan Museum of Art p.74 (print?)
- American art in the Newark Museum
p.331 Helder, Z. Vanessa (b. 1904) Old Thomson House ca. 1935-43 Oil on cardboard 18"x23" (45.7x58.4cm) Signed: lower left "Z.Vanessa Helder" Reverse: label WPA Art Program Allocated by the WPA Federal Art Project 1943 43.204
http://www.womenpainters.com/75th/HELDER/Helder.html
- Seatle Times
Z. Vanessa Helder: a Northwest artist rediscovered at Tacoma Art Museum http://seattletimes.com/html/thearts/2021755645_vanessahelderxml.html
- World Theosophy
p. 412 PINE TREES (Frontisplace) -- Etching by Z. Vanessa Helder