According to the Internet source given below, John Rosamond Johnson [J. Rosamond Johnson] was an American composer and singer during the Harlem Renaissance, born in Jacksonville, Florida. He lived mostly in New York City and is remembered as the composer of the hymn Lift Every Voice and Sing, which has come to be known in the United States as the "Negro National Anthem". It was first performed live by 500 Black American students from the segregated Stanton School (elementary/middle/junior high-level), Jacksonville, Florida, in 1900. The song was published by Jos. W. Stern & Co., Manhattan, New York (later Edward B. Marks Music Company). J. Rosamond Johnson was the younger brother of poet and activist James Weldon Johnson who wrote the lyrics for Lift Every Voice and Sing .
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J. Rosamond Johnson

Biography by wikipedia.org.

This list is arranged in chronological order and contains 36 works by J. Rosamond Johnson (1873-1954). It does not claim to be complete and represents only the number of items located. Key: Items on hold

On the Chattahoochee (1897)	Fishing (1904)  Words by: J. W. Johnson
I Ain't Gwinter Work No Mo' (1900) Words by: J. W Johnson, Bob Cole	On Lalawana's Shore (1904) Words by: James Weldon Johnson
If Dat's Society Excuse Me (1900) Words by: Bob Cole, WIll JOhns	Floating Down the Nile (1906)
Lift Every Voice and Sing (1900) Words by: James Weldon Johnson	I'll Keep a Warm Spot in My Heart For You (1906) Words by: J. W Johnson
Come Out, Dinah, on the Green (1901) Words by: J. W Johnson, Bob Cole	Who Do You Love? (1906)
The Maiden With the Dreamy Eyes (1901) Words by: Bob Cole	I Can't Think of Nothin' in the Wide, Wide World But You (1907) Words by: Bob Cole
My Castle on the Nile (1901) Words by: James Weldon Johnson, Bob Cole	Phoebe Brown (1909)
Nobody's Lookin' But De Owl An' De Moon (1901)  Words by: James Weldon Johnson, Bob Cole	The Siberian Dip (1911)
Old Flag Never Touched the Ground (1901)  Words by: James Weldon Johnson, Bob Cole	Excuse Me Mister Moon (1912) Words by: James W Johnson
The Owl and the Moon (1901) Words by: Bob Cole	If You'll Be My Eve (1912)  Words by: James W. Johnson
Tell Me, Dusky Maiden (1901)  Words by: Bob Cole, James Weldon Johnson	The Saint Vitus Rag (1912)  Words & Music: Johnson
Oh, Didn't He Ramble? (1902) Words by: Bob Cole [as Will Handy]	Roll Them Cotton Bales (1914) Words by: James Weldon Johnson
Congo Love Song (1903)  Words by: J. W. Johnson	Li'l Gal (1917)  Words & Music: Johnson
Flowers of Dixieland (1903)  Words by: Edgar Smith	Three Questions (1917)
Lazy Moon (1903)  Words by: Bob Cole	Mississippi River (1932)  Words by: Frank Abbott
Magdaline, My Southern Queen (1903) Words by: Bob Cole	Johnnie Get Your Hair Cut (1935)  Co-Author: Edward Bennett Words by: J. Rosamond Johnson, Edward Bennett
My Mississippi Belle (1903) Words by: Bob Cole	The Merango (El Merengue) (?)
Two Eyes (1903)	Sweetness - I Love You the Best of All (?)