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Benson, Adolph B.; Naboth Hedin Swedes In America (New York: Haskel House Publishers. 1969)
1901: Contributions to the botany of the Yukon Territory, ( Nathaniel Lord Britton, Marshall A. Howe, Lucien Marcus Underwood, R. S. Williamsと共著)
1903: Flora of the southeastern United States;being descriptions of the seed-plants, ferns and fern-allies growing naturally in North Carolina, South Carolin, Georgia, Florida, Tennessee, Alabama, Mississippi, Arkansas, Louisiana and the Indian territory and in Oklahoma and Texas east of the one-hundredth meridian,(John Kunkel Smallと共著)