The Poetry Foundation usually does great work, but they out-did themselves with this one. It's the most complete biography we've ever seen on a poetry website. Believe us, everything you need will be here!
The Modernist Poetry site at Illinois offers several critics' views of "Sea Rose." It's worth a read!
She was a pretty good lookin' young modernist!
Also an interesting photo.
All of H.D.'s early works (written before 1945) are collected in this volume.
H.D.'s trilogy, written under the weight of WWII, can be found here.