“Freedom’s Fullness: An Introduction to Jewish Anarchisms,” coauthored with Anna Elena Torres, in With Freedom in Our Ears: Histories of Jewish Anarchism (University of Illinois Press, 2023)

“Conclusion: The Past and Futures of Jewish Anarchist History,” coauthored with Anna Elena Torres, in With Freedom in Our Ears: Histories of Jewish Anarchism (University of Illinois Press, 2023)

“National Subjects and Subversive Subjectivity: Deportation and the Paradox of the Anarchist Citizen in the Era of the First Red Scare,” Nations & Nationalism 29, no. 1 (2023)

“Anarchism and Syndicalism in the United States,” in The Cambridge History Socialism, ed. Marcel van der Linden, vol. 1 (Cambridge University Press, 2022)

Contributor to the roundtable “Encuesta sobre la actualidad de los estudios anarquistas” [Survey of the Current State of Anarchist Studies], ed. Ivanna Margarucci and María Migueláñez Martínez, Políticas de la Memoria (Buenos Aires), no. 21 (2021)

“Specters of Bisbee ’17: Deportees and Outside Agitators,” in “AHR Roundtable: Re-creating the ‘Bisbee Deportation’ on Film,” American Historical Review 124, no. 3 (2019)

“Archiving the American Anarchist Press: Reflections on Format, Accessibility, and Language,” in “Forum: Recovering U.S. Anarchism and Its Press in the Periodical Archive,” American Periodicals: A Journal of History, Criticism, and Bibliography 29, no. 1 (2019)

“Haymarket and the Rise of Syndicalism,” in The Palgrave Handbook of Anarchism, edited by Carl Levy and Matthew Adams (Palgrave, 2018)

“The Voyage of the Buford: Political Deportations and the Making and Unmaking of America’s First Red Scare,” in Deportation in the Americas: Histories of Exclusion and Resistance, edited by Kenyon Zimmer and Cristina Salinas (Texas A&M Press, 2018)

“‘A Cosmopolitan Crowd’: Transnational Anarchists, the IWW, and the American Radical Press,” in Wobblies of the World: A Global History of the IWW, edited by Peter Cole, David Struthers, and Kenyon Zimmer (Pluto Press, 2017)

“Forgotten Fighters: American Anarchist Volunteers in the Spanish Civil War,” The Volunteer, Magazine of the Abraham Lincoln Brigade Archives, August 30, 2017

“Saul Yanovsky and Yiddish Anarchism in the Lower East Side,” in Radical Gotham: Anarchism in New York City from Schwab’s Saloon to Occupy Wall Street, edited by Tom Goyens (University of Illinois Press, 2017)

“At War with Empire: The Anti-Colonial Roots of American Anarchist Debates over World War I,” in Anarchism 1914-1918: Internationalism, Militarism, and War, edited by Matthew Adams and Ruth Kinna (Manchester University Press, 2017)

“The Other Volunteers: American Anarchists and the Spanish Civil War, 1936-1939,” Journal for the Study of Radicalism 10, no. 2 (2016)

“A Golden Gate of Anarchy: Local and Transnational Dimensions of Anarchism in San Francisco, 1880s-1930s,” in Reassessing the Transnational Turn: Scales of Analysis in Anarchist and Syndicalist Studies, edited by Bert Altena and Constance Bantman (Routledge, 2014; reprint PM Press, 2017)

“Positively Stateless: Marcus Graham, the Ferrero-Sallitto Case, and Anarchist Challenges to Race and Deportation,” in The Rising Tide of Color: Race, State Violence, and Radical Movements across the Pacific, edited by Moon-Ho Jung (University of Washington Press, 2014)

“Revolutionaries by the Bay: Immigrant Anarchists in San Francisco, 1880s-1930s,” Journal of the West 53, no. 3 (2014)

“Transatlantic History: Locating and Naming an Emergent Field of Study,” Traversea: The Journal of Transatlantic History 3 (2013)

“Premature Anti-Communists? American Anarchism, the Russian Revolution, and Left-Wing Libertarian Anticommunism, 1917-1939,” Labor: Studies in Working-Class History of the Americas 6, no. 2 (2009)