Study in Black and White: Photography, Race, Humor (University Park: Penn State University Press, 2018); winner of a 2018 Terra Foundation for American Art International Publication Grant

Photography and Migration, ed. (London: Routledge, 2018)

Grove Art Guide to Photography, ed. (New York: Oxford University Press, 2017)

Photography and Its Origins, ed. with Andres Mario Zervigon (London: Routledge, 2015)

Photography, History, Difference, ed. (Hanover: Dartmouth College Press, 2014)

Doctored: The Medicine of Photography in Nineteenth-Century America (University Park: Penn State University Press, 2011)






“Business as Usual? Scientific Operations in the Early Portrait Studio,” in To Make Their Own Way in the World: The Enduring Legacy of the Zealy Daguerreotypes, ed. Ilisa Barbash, Molly Rogers, and Deborah Willis (New York: Aperture; Cambridge: Peabody Museum Press,  2020), 187-203

“Color Matters: Rethinking Photography and Race,” in The Colors of Photography, ed. Bettina Gockel (Berlin: De Gruyter, 2020), 55-71

“On Display: The Art of African American Photography,” in Routledge Companion to African American Art History, ed. Eddie Chambers (New York: Routledge, 2019), 92-103

“From the Files: A Century of Black Photographers,” Manual (RISD) 13 (Fall 2019): 14-15

“Archiving the Regional,” Archives of American Art Journal 58, no. 2 (Fall 2019): 82-91

“Vernacular Photography: A Plurality of Purposes,” in Pictures with Purpose: Early Photography at the National Museum of African American History and Culture, ed. Laura Coyle and Michèle Gates Moresi (Washington, DC: Smithsonian Institution Press, 2019), 16-22

Playing the Race Card: Thomas Le Clear’s High, Jack, Game,” Panorama 4, no. 2 (Fall 2018)

“Staging Emancipation: Race and Reconstruction in American Photographic Humor,” in Before-and-After Photography: History and Contexts, ed. Jordan Bear and Kate Palmer Albers (London: Bloomsbury Academic Publishing, 2017), 139-152

Photography and Migration: Keywords,” series of five essays published by Fotomuseum Winterthur’s blog, Still Searching (March-April 2017),

“Redrawing the Lines: American Folk and Academic Portraiture” (28-34) and catalogue entries on folk portraits by Joshua Johnson (46-47) and Sturtevant Hamblen (128-129), in A Usable Past: Folk Art at the Colby College Museum of Art, ed. Lauren Lessing (Waterville: Colby College Museum of Art, 2016)

“Aesthetic Harmonies: Whistler in Context,” in Whistler and the World: The Lunder Collection of James McNeill Whistler at the Colby College Museum of Art, ed. Justin McCann (Waterville: Colby College Museum of Art, 2015), 229-241

“Comical Conflations: Racial Identity and the Science of Photography,” in No Laughing Matter: Visual Humor in Ideas of Race, Nationality, and Ethnicity, ed. Adrian Randolph and David Bindman (Hanover: UPNE, 2015), 201-230

“A Time and a Place: Rethinking Race in American Art History,” in A Companion to American Art, ed. John Davis, Jennifer A. Greenhill, and Jason D. LaFountain (Oxford: Blackwell Press, 2015), 49-67

“Confronting Taboo: Photography and the Art of Jacob Lawrence,” American Art 28, no. 3 (fall 2014): 28-51; winner of the 2014 Patricia and Phillip Frost Essay Award

“Ordinary Masters: Mike Disfarmer and the Reclamation of Vernacular Photography,” in Becoming Disfarmer, ed. Chelsea Spengemann (Purchase: Neuberger Museum of Art, 2014), 103-114

“Marketing Racism: Popular Imagery in the US and Europe,” co-authored with Henry Louis Gates, Jr., in The Image of the Black in Western Art, Vol. 5, The Twentieth Century, ed. David Bindman and Henry Louis Gates, Jr. (Cambridge: Harvard University Press, 2014), 29-42

“Looking Pleasant, Feeling White: The Social Politics of the Photographic Smile,” in Feeling Photography, ed. Elspeth Brown and Thy Phu (Durham: Duke University Press, 2014), 127-157

“Retouch Yourself: The Pleasures and Politics of Digital Cosmetic Surgery,” in Digital Snaps: The New Face of Photography, ed. Jonas Larsen and Mette Sandbye (London: I. B. Tauris, 2013), 181-204

Re-views: Reflections on Photography,” (October 1, 2013)

“In a New Light: Early African American Photography,” American Studies 52, no. 3 (June 2013): 7-24

“Comical Conflations: Racial Identity and the Science of Photography,” Photography & Culture 4, no. 2 (July 2011): 133-156

“Faith Ringgold: Forging Freedom and Declaring Independence,” and “Faith Ringgold and Rutgers University: A Selected Chronology,” in A Declaration of Independence: 50 Years of Art by Faith Ringgold, ed. Judith K. Brodsky and Ferris Olin (New Brunswick: Institute for Women and Art, Rutgers, The State University of New Jersey, 2009), 3-12, 50-51

“The Critical Eye: Reading Commercial Photography,” American Quarterly 58, no. 4 (December 2006): 1199-1206



Curator, Andrew Wyeth: Life and Death, Colby College Museum of Art, Waterville, ME, June 2-October 16, 2022; lead editor of exhibition catalogue

Curator, Photography and Migration: Waterville Stories, Common Street Arts Gallery, Waterville, ME, May 24 –July 1, 2017

Curator, Photography and Migration, Special Collections, Colby College Libraries, Waterville, ME, April 24 –September 15, 2015

Curator, Aesthetic Harmonies: Whistler in Context, Colby College Museum of Art, Waterville, ME, September 15, 2015 – January 3, 2016

Curator, From Ethiopia to New Jersey: Photography and HIV/AIDS, Johnson & Johnson World Headquarters Gallery, New Brunswick, NJ, November 22, 2010 – January 13, 2011; lead editor of exhibition catalogue



Executive Editor, Archives of American Art Journal, Smithsonian Institution, 2015-

Elected Member, American Antiquarian Society, 2019-

Research Associate, Hutchins Center for African and African American Research, Harvard University, 2012-

Distinguished Scholar and Director of Research, Lunder Institute for American Art, 2018-21

Editorial Board Member, Photography & Culture, Taylor & Francis, 2012-