作者 | Christie, Manson & Woods / Clark Jillson / Cyrus Adler / Daniel Sharp / Edward John Phelps / Elias Fisher / Franklin Benjamin Sanborn / Henry Dilworth Gilpin / Horace Edwin Hayden / John Wakefield Francis / Leon Hühner / Maryland Historical Society / Melancthon Woolsey Stryker / Smithsonian Institution / William Miller Paxton |