Schwarze African American newspapers Mississippi Bibliography Union lists African American newspapers Mississippi Directories African American periodicals Mississippi Bibliography Union lists Bibliografie Biografie Geschichte Negers Presse Staat Mississippi Union catalogs Mississippi African American arts Michigan Detroit African American journalists Mississippi Jackson Biography African American periodicals Mississippi Directories African American poets Biography African Americans Civil rights Southern States American literature African American authors Publishing Michigan Detroit Broadside Press Civil rights movements Southern States History 20th century Greene, Percy 1897-1977 Greene, Percy <1897-1977> Jackson advocate Journalism Mississippi Jackson History 20th century Journalists Mississippi Jackson Biography Letterkunde Literatur Literature publishing Michigan Detroit History 20th century Perswezen Poets, American 20th century Biography Publishers and publishing Michigan Detroit