Book  (Apr 1915)  Page(s) 27.  
 
Paul's Early Blush a sport from 'Heinrich Schultheis'... Paul & Sons of London... a light silvery pink [Thomas distinguishes between 'Paul's Early Blush' and 'Mrs. Harkness', we've added a separate reference for the latter]... specimens of this plant partially reverted to the old form of 'Heinrich Schultheis, throwing up shoots with rose-colored blooms.

Magazine  (29 Jul 1911)  Page(s) 362.  
 
The Parentage of Roses.
The following list of the world's Roses and their parentage has been compiled by Mr. Robert Daniel, 38 Russell Road. Fishponds, Bristol, and by his kind permission we are enabled to publish it...
Paul's Early Blush... Hybrid Perpetual, G. Paul, 1893, Sport Heinrich Schultheis

Book  (1910)  Page(s) 293.  
 
Paul's Early Blush Hybrid Perpetual... flowers light silvery blush. A sport from Heinrich Schultheis.

Website/Catalog  (1897)  Page(s) 53.  
 
Hybrid Perpetuals.
Paul's Early Blush  light silvery blush, fine bold shape, producing its blooms among the first.