Book  (1 Jun 2018)  Page(s) 61.  
 
Translation:
Heinsohn Brothers
After visiting the Pomological Institute in Geisenheim, the brothers Peter and Heinrich Heinsohn established in 1874 the nursery Gebrüder Heinsohn Wedeler Baumschulen, which still exists, on their paternal lands. It made its fame in the rose sector with the selection of an understock, the hybrid canina 'Heinsohn's Rekord'. The danish rose nursery Poulsen issued in 1938 a rose 'Andenken an Franz Heinsohn'.

Book  (19 Apr 2000)  Page(s) 13.  
 
'Andenken an Franz Heinsohn'; F, dr, 1938; description; (D. T. Poulsen X seedling); Poulsen, S.

Book  (1961)  Page(s) 3.  
 
Andenken an Franz Heinsohn, strong mildew infestation, has practically not bloomed at all...

Book  (1950)  Page(s) 104.  
 
Translation:
On June 10 died by accident the nurseryman Franz Heinsohn in Wedel. ...His company, Gebrüder Heinsohn, already belonged to the founders of our society and is listed in the oldest member list of 1886. Heinsohn has distributed in Germany  for many years the cultivars of Svend Poulsen of Copenhagen ....