The interested reader may want to explore the following links

The blog for I Went Down to St. James Infirmary. Harwood keeps readers regularly informed of issues pertaining or periferal to St James Infirmary.

Charles Cronin’s web site devoted to music copyright
infringement, with numerous examples, samples and detailed
analyses.

Community guitar resources, dedicated to sharing music by making it, based in Massachusettes. This url takes you to the song resources (including a background to St James Infirmary, largely informed by Harwood) but check out the whole site.

All about Hillbilly Music and the only website with substantial
information about Carl "Deacon" Moore, one of the chief
protagonists in I Went Down to St. James Infirmary.

Nonotes, Rob Walker’s interesting and diverse site devoted to
"St. James Infirmary" and New Orleans.

Penguin Eggs: Canadian folk, roots, and world music magazine, out of Alberta [review of I Went Down to SJI in spring 2009 issue]

The Red Hot Jazz Archive. Great site. A history of jazz
before 1930 with many sound files of “St James Infirmary”

you-tube hosts a variety of live performances of “St. James Infirmary,” including Cab Calloway, Koko the Clown, and Louis Armstrong ... together with many home-spun versions.

Honey Where You Been So Long posts over 120 versions of SJI, plus a multitude of other tunes.

Other (non SJI) links of interest
Robert W. Harwood: see Robert’s photography on flickr; also see 500px
Harland Press: publishing for the love of it, Robert’s publishing website, together with Pam Woodland
P.J. Woodland: book design, web design; also flickr
James R. Page: photographer; outstanding nature and wildlife photography; also on Flickr; and his website
The Design Observer Group: Rob Walker’s page on the site; many interesting observations