Book  (Apr 1993)  Page(s) 557.  
 
Sneezy Polyantha, neyron rose, single, 1955, ('Bertram'); deRuiter. Description.

Book  (Jun 1992)  Page(s) 242.  
 
Mentioned as one of the "7 Dwarfs" series.

Book  (Jun 1992)  Page(s) 243.  
 
Bertram ('Sneezy') De Ruiter, 1955. Deep pink.

Book  (1982)  Page(s) 16.  
 
Sneezy ( 1955 ) single bright rose pink ; and , last but not least , and probably the most popular ...

Book  (1958)  Page(s) 380.  
 
Sneezy (Bertram in Germany). (de Ruiter; int. Gregory and Willicher Baumschulen, '55.) Small, single, Neyron rose.