1. Exhortation : a Negro sermon / words by Alex Rogers ; music by Will Marion Cook. Creator: Cook, Will Marion. Published / Created: [c1912] Call Number: JWJ -V3 C77 Ex4 Image Count: 8 Resource Type: Music (Printed & Manuscript) Found in: Beinecke Rare Book and Manuscript Library > Exhortation : a Negro sermon / words by Alex Rogers ; music by Will Marion Cook., Three Negro songs