Book  (1958)  Page(s) 383.  
 
Souv. de Claudius Pernet, Cl. Cl.HT. (Western Rose Co., '25; J. C. Schmidt, '32; Gaujard, '33.)

Book  (1936)  Page(s) 555.  
 
Pernet, Climb. Sv. de Cl. (cl. hybrid lutea) J. C. Schmidt 1932; sport; climbing habit. Sangerhausen