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261“…New York: Pathfinder…”
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262
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263
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264
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265
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266“…New York: Breira…”
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267
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268
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269Archief WRI“…New York: National Council for Universal and Unconditional Amnesty…”
Date [197?]
-
270Archief WRI“…New York: Campaigner Publications…”
Date 1976
-
271“…New York: McGraw-Hill Book Compagny…”
-
272“…New York: Berghahn…”
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273
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274
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275“…New York: Rowman and Littlefield…”
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276“…New York: Merit Publishers…”
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277Archief Chantal De Smet“…New York: VN…”
Date 1981
-
278Archief Chantal De Smet“…New York: VN…”
Date 1978-1984
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279“…New York: Berghahn Books…”
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280