Harkness Roses was created in 1879.
Agatha Harkness was created in 1970.
Harkness Fellowship was created in 1925.
Jack Harkness was created in 2005.
Harkness Tower was created in 1921.
Harkness Ballet was created in 1964.
Rosa 'Mrs. Harkness' was created in 1893.
Rosa 'Anne Harkness' was created in 1979.
Harkness Memorial State Park was created in 1907.
No Roses was created in 1971-10.
For the Roses was created in 1972-11.
The Scent of the Roses was created in 1963.
Cadbury Roses was created in 1938.