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The Cracow Report of 1945
https://www.tapatalk.com/groups/holocaustcontroversies/the-cracow-report-of-1945-t1894.html

A Study of the Cyanide Compounds Content In The Walls Of The Gas Chambers in the Former Auschwitz and Birkenau Concentration Camps
https://phdn.org/archives/holocaust-history.org/auschwitz/chemistry/iffr/report.shtml

Report of Richard J. Green, PhD., In the Court of Appeal
https://www.phdn.org/archives/holocaust-history.org/irving-david/rudolf/affweb.pdf

Anatomy of the Auschwitz Death Camp
https://books.google.de/books?id=mub823JQrdUC&pg=PA179&lpg=PA179&hl=de#v=onepage&q&f=false

The Ruins of the Gas Chambers: A Forensic Investigation of Crematoriums at Auschwitz I and Auschwitz-Birkenau
https://phdn.org/archives/holocaust-history.org/auschwitz/holes-report/holes.shtml

Review of the Debate on the Gas Openings at Crematoria 2 and 3 in Auschwitz - Part II: Revisionist arguments
http://holocaustcontroversies.blogspot.de/2012/05/review-of-discussion-on-gas-openings-at_20.html

Chemistry is Not the Science: Rudolph, Rhetoric, and Reduction
https://phdn.org/archives/holocaust-history.org/auschwitz/chemistry/not-the-science/

The Chemistry of Auschwitz
https://phdn.org/archives/holocaust-history.org/auschwitz/chemistry/

Leutcher, Rudolph, & the Iron Blues
https://phdn.org/archives/holocaust-history.org/auschwitz/chemistry/blue/

A Foreword to the IFFR Report
https://phdn.org/archives/holocaust-history.org/auschwitz/chemistry/iffr/index.html