Book  (1936)  Page(s) 50.  
 
Baltimore, Pearl of (HT) Cook 1925; Ophelia X Glorif. La France; mother-of-pearl-pink, darker center, very large, very double, cup form, open, high-centered, lasting, solitary, fragrance 4/10, floriferous, continuous bloom, very large buds, long strong stems, glossy foliage, growth 6/10, 1 m., hardy.

Book  (1926)  Page(s) 185.  
 
Pearl of Baltimore Hybrid Tea. (John Cook, 1925.) 'Ophelia' x 'Glorified La France'... very lasting, shell-pink, deeper in center...