Book  (Apr 1999)  Page(s) 274, 558.  
 
Page 274: Maheca ('Bengale Hollandaise', 'Dutch Bengal', 'Hollandaise', 'L'Héritier Pourpre', 'Maheca of Bengal', 'Purple Noisette', 'Purpurea', 'Reversa Pourpre', 'Reverse Purpurina'.) Boursault. Noisette ca. 1815. The author cites information from different sources... Purple crimson flowers... A climbing Chinese hybrid, which grows vigorously and blooms early and profusely... a fine violet purple hue...
Page 558: Maheca Boursault. Louis Claude Noisette ca. 1815

Book  (1990)  Page(s) 67.  
 
('Belle Sultane') (1800) Griffiths lists it under Boursault Roses. Griffiths saw it at Sangerhausen Rose Garden. It has purplish-violet blooms, large, double, tall growing.

Book  (1936)  Page(s) 349.  
 
Hollandaise, Bengale (Alpina) ? ? ; purple, shaded violet. = Maheca.

Book  (1936)  Page(s) 341.  
 
Héritier, L (alpina) Desportes ? ; violet-purple = Maheca

Book  (1936)  Page(s) 444.  
 
Maheca (hybrid alpina) Noisette ca. 1815; purple-crimson, shaded light violet, light purple and purple-pink when expanding, medium size, double, cup form, cluster-flowered, floriferous. = Reversa pourpre Vibert; L'Héritier pourpre Desportes.

Book  (1936)  Page(s) 477.  
 
Michigan or Detroit (setigera) ? before 1848; glossy pink, varies, single, climbing habit.

Book  (1936)  Page(s) 686.  
 
Sultane, Belle (Alpina) in Holland ? ; purple, shaded violet = Maheca. Sangerhausen

Book  (1858)  Page(s) 132.  
 
Rosa alpina Maheka, double, medium size, purple-red shaded.

Book  (1849)  Page(s) 33, supplement.  
 
Descriptive List of Roses.
List of roses that bloom only once in the season.
Climbing Roses. Boursault Rose.
1936 Purpurea, Maheka, Purple Noisette...Purple crimson, free bloomer.

Website/Catalog  (1844)  Page(s) 74.  
 
Rosa Alpina.
The Boursault Rose.
Purpurea, purple crimson