[t1] Steven Pemberton. Declarative Applications with XForms. XML Prague. 2020. https://homepages.cwi.nl/~steven/Talks/2020/02-13-xforms/ .

[t2] Steven Pemberton. Web Applications with XForms 2.0. WWW 2013. 2013. https://homepages.cwi.nl/~steven/Talks/2013/05-14-webapps-xforms2/ .

[t3] Steven Pemberton. XForms Hands On. Declarative Amsterdam. 2020. https://homepages.cwi.nl/~steven/Talks/2020/10-08-tutorial/ .

[xf1] John Boyer. XForms 1.1. 2009. W3C. https://www.w3.org/TR/xforms11 .

[xf2] Erik Bruchez et al. (eds). XForms 2.0. W3C. 2021. https://www.w3.org/community/xformsusers/wiki/XForms_2.0 .

[put] T. Berners-Lee et al.. Hypertext Transfer Protocol -- HTTP/1.0 (appendix D.1.1). . IETF. 1996. https://tools.ietf.org/html/rfc1945#appendix-D.1.1 .

[ts] Steven Pemberton. The XForms 2.0 Test Suite. MarkupUK. 2018. https://markupuk.org/2018/webhelp/index.html#ar14.html .

[xc] Steven Pemberton. XContents Minimal Web Server. CWI. 2020. https://homepages.cwi.nl/~steven/xcontents/xcontents.c .

[pd] Frank Spillers. Progressive Disclosure, in Soegaard and Dam (eds.), The Glossary of Human Computer Interaction, Chapter 44. The Interaction Design Foundation. undated. https://www.interaction-design.org/literature/book/the-glossary-of-human-computer-interaction/progressive-disclosure .