Website/Catalog  (1928)  Page(s) 34.  
 
Pivoines herbacées...Solfatare (Calot); primevère pâle passant au blanc ...6 fr.

[not listed in the 1929 catalogue, but again in 1930, not from the 1931 catalogue]

Website/Catalog  (1925)  Page(s) 39.  
 
Paeonia sinensis..Solfatare. Pure white cup, light sulphur-yellow filling, cup form....1 piece M 3.-

Website/Catalog  (1921)  Page(s) 31.  
 
Solfatare. Feathery cup form. Pure white cup, light sulphur-yellow filling with white bonnet. Occasionally green stigma petals. ...1 piece M 9.-, 100 pieces M 800.-

Book  (Jan 1917)  Page(s) 52.  
 
Solfatare (1861) - until the introduction of Primevere, the nearest approach in a hybrid to a yellow peony

Book  (1917)  Page(s) 100.  Includes photo(s).
 
Solfatare. Guard petals of deep cream. Centre, on first opening, sulphur yellow. Fades rapidly. Well worth having in spite of its capricious habit of blooming. Note colour plate. Calot, 1861. Bomb. Yellow fading to white. Large. Midseason. Medium height. Spreading habit. Uncertain bloomer. Cutting. Should be cut in bud or immediately upon opening.

Magazine  (Nov 1911)  Page(s) 140.  
 
MONT BLANC. ....Originated by Lemoine, 1899.
Very distinct and much superior to the " Mont Blanc" (" Solfatare ") which is usually found under this name

Website/Catalog  (1911)  Page(s) 43.  
 
Paeonia sinensis...Solfatare. Feathery cup form. Pure white cup, light sulphur-yellow filling with white bonnet. Sometimes green stigmata.

Website/Catalog  (Aug 1910)  Page(s) 14.  
 
Pivoines herbacées...Variétés nouvelles...Solfatara; blanc et primevère ...5 fr.

Website/Catalog  (1908)  Page(s) 3.  
 
DOUBLE HERBACEOUS PEONIES SERIES D. 60 cents each
Solfatarre, (Calot 1861) sulphur white, free and line; by some this variety is confounded with Mount Blanc and its nomenclature is yet to be determined.

Website/Catalog  (1906)  Page(s) 3.  
 
Double Herbaceous Paeonies. Series D. 75 cents each.
Solfatarre, yellowish white, fine.