Book published 1909.

19 favorite votes.  

Website/Catalog published 1866.

19 favorite votes.  

Book published 1914.

First edition 1911
Second Edition 1914
Third Edition 1927 (Differs in selction of recommended roses)

19 favorite votes.  

Magazine.

19 favorite votes.  

Book.

18 favorite votes.  

Article (newsletter).

Don Smith edits and publishes Paeonia which you can find on the Internet at http://pages.zdnet.com/i-hybridpeonies/paeonia/
Paeonia is an international newsletter for peony hybridizers. It is published quarterly. Paeonia was started in 1970 by Silvia Saunders (daughter of Prof. A. P. Saunders) and has been been published continuously ever since.

18 favorite votes.  

Website/Catalog published 1985.

18 favorite votes.  

Book published 1778.

17 favorite votes.  

Magazine.

16 favorite votes.  

Book published 1726.

Flora of Jena, Germany and its vicinity (in Latin).

16 favorite votes.