008 – Social Credit Principles – National Library of Australia - 1933

https://trove.nla.gov.au/newspaper/article/255758633

An oration and personal summary of the linked article.

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Australian Constitution
https://www.aph.gov.au/constitution
http://ausconstitution.peo.gov.au/

Section 51
(xii) currency, coinage, and legal tender;
(xiii) banking, other than State banking; also State banking extending beyond the limits of the State
concerned, the incorporation of banks, and the issue of paper money;
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Websites for Douglas Social Credit

douglassocialcredit.com - England, Social Credit Secretariat
thepeoplescredit.com.au - formerly socialcredit.com.au
socred.org - Canada, Dr. Oliver Heydorn
alor.org - Australian League of Rights
michaeljournal.org – Pilgrims of Saint Michael
placeholder - New Zealand, can anyone help here?
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Further Sources

trove.nla.gov.au - National Library of Australia - search with quotes "douglas credit proposals" and "social credit"
https://www.murdoch.edu.au/library/resources/special-collections/economics-politics-law-collections - Douglas Social Credit Special Collection
archive.org - the Green Shirt Movement