See

*
 

1924 catalog Bobbink & Atkins, Plants for the rock garden

Bobbink 1924

http://www.biodiversitylibrary.org/item/225187#page/3/mode/1up

For more information on historic Irises visit the Historic Iris Preservation Society at http://www.historiciris.org/

-- BobPries - 31 Jul 2017
Topic revision: r2 - 13 Jul 2018, BobPries
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