1920 Agreement between AIS and Brooklyn Botanic Garden https://www.biodiversitylibrary.org/item/41099#page/145/mode/1up For more information on historic Irises vi...
1920 Irises From Japan in Brooklyn Botanic Garden Record https://www.biodiversitylibrary.org/item/41099#page/141/mode/1up For more information on historic Irises ...
1920 Organization of the American Iris Society noted in Brooklyn Botanic Garden Record https://www.biodiversitylibrary.org/item/41099#page/155/mode/1up For more i...
1921 Needed Additional Land For Iris Garden, Brooklyn Botanic Garden record https://www.biodiversitylibrary.org/item/41100#page/56/mode/1up For more information o...
1925 Beardless Iris Test Garden, Brooklyn Botanic Garden Record https://www.biodiversitylibrary.org/item/41097#page/136/mode/1up For more information on historic ...
1925 Image Bearded Iris Garden, Brooklyn Botanic Garden Record https://www.biodiversitylibrary.org/item/41097#page/34/mode/1up For more information on historic Ir...
1926 Beardless Iris Project, Brooklyn Botanic Garden Record https://www.biodiversitylibrary.org/item/41103#page/48/mode/1up For more information on historic Irise...
1926 Iris Plantings, Brooklyn Botanic Garden Record https://www.biodiversitylibrary.org/item/41103#page/101/mode/1up For more information on historic Irises visit...
1926 New Iris Beds, Brooklyn Botanic Garden Record https://www.biodiversitylibrary.org/item/41103#page/107/mode/1up For more information on historic Irises visit ...
1932 Agreement between AIS and BBG https://www.biodiversitylibrary.org/item/41111#page/363/mode/1up For more information on historic Irises visit the Historic Iri...
1932 Beardless Iris Project, in Brooklyn Botanic Garden record https://www.biodiversitylibrary.org/item/41111#page/66/mode/1up For more information on historic Ir...
1932 Iris Plantations Brooklyn Botanic Garden Record https://www.biodiversitylibrary.org/item/41111#page/92/mode/1up For more information on historic Irises visit...