Found on reddit and thought these might work as supporting evidence in other discussions:

C19study.com

https://mobile.twitter.com/gummibear737/status/1283840177497088001

https://twitter.com/AAPSonline/status/1281364854561882112?s=20

https://www.henryford.com/news/2020/07/hydro-treatment-study#.Xv4hh_7ARfo.twitter

https://www.medrxiv.org/content/10.1101/2020.07.17.20155960v1

https://www.thelancet.com/journals/lanrhe/article/PIIS2665-9913(20)30227-7/fulltext

https://www.preprints.org/manuscript/202007.0025/v1

https://www.ijidonline.com/article/S1201-9712(20)30534-8/fulltext

https://link.springer.com/article/10.1007/s11606-020-05983-z

https://www.medrxiv.org/content/10.1101/2020.06.26.20056507v1

https://www.sciencedirect.com/science/article/pii/S1477893920302817

https://www.medrxiv.org/content/10.1101/2020.06.19.20136093v1

https://health.economictimes.indiatimes.com/news/diagnostics/hcq-beneficial-as-preventive-drug-sms-doctors-told-icmr/76464620

https://www.medrxiv.org/content/10.1101/2020.06.16.20132597v1

https://onlinelibrary.wiley.com/doi/10.1002/jmv.26193

https://www.metrotimes.com/news-hits/archives/2020/06/16/henry-ford-health-system-still-moving-forward-with-hydroxychloroquine-study

https://www.medrxiv.org/content/10.1101/2020.06.10.20101105v1

https://www.sciencedirect.com/science/article/pii/S2211104220300771

https://www.medrxiv.org/content/10.1101/2020.06.09.20116806v1

https://www.nejm.org/doi/full/10.1056/NEJMoa2016638

https://www.preprints.org/manuscript/202005.0486/v1

https://doi.org/10.1101/2020.05.27.20114694

https://www.medrxiv.org/content/10.1101/2020.05.28.20114835v1

http://www.ijmr.org.in/preprintarticle.asp?id=285520

https://academic.oup.com/nsr/advance-article/doi/10.1093/nsr/nwaa113/5848167

https://www.icmr.gov.in/pdf/covid/techdoc/V5_Revised_advisory_on_the_use_of_HCQ_SARS_CoV2_infection.pdf

https://www.medrxiv.org/content/10.1101/2020.05.13.20094193v1

https://www.medrxiv.org/content/10.1101/2020.05.18.20066902v1

https://pubmed.ncbi.nlm.nih.gov/32418114/

https://www.medrxiv.org/content/10.1101/2020.05.05.20088757v1.full.pdf

https://www.kidney-international.org/article/S0085-2538(20)30508-1/fulltext

https://www.medrxiv.org/content/10.1101/2020.05.02.20080036v1

https://www.sermo.com/press-releases/sermo-reports-covid-19-treatment-trends-over-6-weeks-and-33700-interviews-usage-efficacy-and-safety-perceptions-of-most-used-therapies/

https://www.preprints.org/manuscript/202005.0057

https://pubmed.ncbi.nlm.nih.gov/32387409/

http://www.tellerreport.com/news/2020-05-02-coronavirus--a-study-in-senegal-confirms-the-effectiveness-of-hydroxychloroquine.BJeet4Kst8.html

https://www.researchgate.net/publication/341197843_COVID-19_in_Iran_a_comprehensive_investigation_from_exposure_to_treatment_outcomes

https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3575899

https://pubmed.ncbi.nlm.nih.gov/32305587/

https://www.dropbox.com/s/5qm58cd4fneeci2/2020.04.15%20journal%20manuscript%20final.pdf

https://pubmed.ncbi.nlm.nih.gov/32281583/

https://www.sciencedirect.com/science/article/pii/S1477893920301319

https://academic.oup.com/jmcb/article/12/4/322/5814655

https://www.medrxiv.org/content/10.1101/2020.03.22.20040758v3

https://twitter.com/JamesTodaroMD/status/1243260720944480265?s=20

https://www.mohfw.gov.in/pdf/AdvisoryontheuseofHydroxychloroquinasprophylaxisforSARSCoV2infection.pdf

https://mp.weixin.qq.com/s/mlaHHQnacIR5a0kmfyNb8w

https://www.mediterranee-infection.com/wp-content/uploads/2020/03/Hydroxychloroquine_final_DOI_IJAA.pdf

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7135139/

http://rs.yiigle.com/yufabiao/1182323.htm

https://www.jstage.jst.go.jp/article/bst/advpub/0/advpub_2020.01047/_article

http://www.xinhuanet.com/english/2020-02/17/c_138792545.htm

https://en.wikipedia.org/wiki/Edwin_Wiley_Grove - this one is my favorite