• C. L. R. James, "Bloomsbury: An Encounter with Edith Sitwell," excerpts from "The Case for West Indian Self-Government," and "Abyssinia and the Imperialists" (N.B.: these three selections are all on one page--no need to print it 3 times!)
• Una Marson, "Nigger," "Quashie Comes to London," and "Kinky Hair Blues"

Una Marson (center) at the BBC in 1942 with (from left, seated) Venu Chitale, J. M. Tambimuttu, T. S. Eliot, Mulk Raj Anand, C. Pemberton, and Narayana Menon; and (standing) George Orwell, Nancy Barrat, and William Empson (©BBC)

• Edward Scobie, from Chapter X, "Students and the League of Coloured Peoples" of Black Britannia
• Essays on "Black Internationalism" and "Pan-Africanism" at the website for the NYPL's "Africana Age" Exhibit
• Photo Galleries of Pre-War Black Britons
• Black Chronicles II: 19th and early 20th-century Black presences in Britain (photo exhibit at Rivington Place, London)
• James
  • Biography (Wikipedia | BBC Radio 4's Great Lives)
  • C. L. R. James Archive (Marxist Writers' Archive)
  • "Every Cook Can Govern": Documenting the life, impact, & works of C.L.R. James
  • Interviews: with Kenneth Ramchand (Banyan, 1980) | with Stuart Hall (Channel 4, 1986)
  • The James Library in Hackney (East London)
• Marson
  • Biography (Wikipedia)
  • Marson on flickr
  • The Keys and the League of Coloured People (MovingHere.org.uk | British Library)
  • Honor Ford-Smith, "Una Marson: Black Nationalist and Feminist Writer" (Caribbean Quarterly 34.3/4 [1988])
  • Glyne Grifith, "Deconstructing Nationalisms" (Small Axe 10): an article on the history of "Caribbean Voices," a BBC Radio program founded by Marson. (Scroll down to the section entitled "The Program's Beginnings.") (HSU users only)
  • Philip Nanton, "London Calling" (Caribbean Beat Sep./Oct. 2004): a profile of Marson
  • BBC Documentary on "Caribbean Voices": Part 1 | Part 2
  • "Una Marson" (BBC 4's Woman's Hour)
  • "West Indies Calling" (a 1943 short film featuring Una Marson, produced by the British Ministry of Information)

• G. V. Desani, excerpt from All About H. Hatterr

Desani:

• Biography (Wikipedia | Making Britain)
• Short obituary (IACLALS)
• Memorial (U of Texas Faculty Council)
• "All About G. V. Desani" (tribute site)
• Hatterr (NYRB Press | Wikipedia)

South Asians in Britain:

• Making Britain: How South Asians Shaped the Nation, 1870-1950 (Open University)
• Asians in Britain: 1858-1950 (British Library)

Required:

• Caryl Phillips, "Somewhere in England" (pp. 125-237 of Crossing the River) 

Highly Recommended:

• Edward Scobie, Chapter XI ("Servicemen and Settlers") of Black Britannia
• Joseph Julian, "Jim Crow Goes Abroad" (The Nation 5 December 1942)
• David Murray, "Blacks in Britain, 1942" (review of Graham Smith's When Jim Crow Met John Bull in the New York Times, 6 March 1988)

• Marika Sherwood, "Colonies, Colonials, and World War II" (BBC)
• Photo Galleries of Black Britons in wartime (see also the Imperial War Museums)
• Pilots of the Caribbean: Black airmen of the RAF during World War II
• Fighting for King and Empire: BBC 4 | Guardian | The-Latest.com

Caryl Phillips

• Biography (Official Website | British Council: Literature)
• Interviews: Glyn Maxwell (Lannan Foundation podcasts, 2006) | "The Narrative Is Not Written in Stone" (Bastian Balthazar Becker, SX Salon, 2012: part 1 | part 2)