Book  (1958)  Page(s) 31.  
 
Betty Free. F. (Le Grice, '50.) Fortschritt sport. Bud pointed; fl. dbl. (25 petals), slightly fragrant, Neyron rose; cluster. Vig.; free bloom.

Book  (1953)  Page(s) 20.  
 
Harry H. Hazlewood.  The New Roses of 1953. 
Betty Free (Le Grice 1950). Soft salmon shapely buds opening to rather flat confused blooms which fail to fall when spent. This necessitates considerable time and work to keep bushes looking attractive.

Book  (1952)  Page(s) 17.  
 
 Harry H. Hazlewood.  The New Roses of 1952​. Hybrid Polyantha.  Betty Free (Le Grice, 1950). Soft salmon, shapely buds which open and fade to confused blooms which burn in hot sun. Would probably do much better in cooler districts. 

Article (magazine)  (Dec 1950)  Page(s) 267.  
 
Betty Free Hybrid Polyantha. Description.

Magazine  (Jun 1950)  Page(s) 2. trimester, p. 52.  
 
Registration Internationale des Noms de Roses ....Betty Free. HPol. Le Grice ; North Walsham, England