Church of the Holy Spirit, Heidelberg (English Wikipedia)

Mertin, Andreas; Schwebel, Horst (1998). "Der Heidelberger Fensterstreit: ein bürgerliches Trauerspiel in fünf Akten" [The Heidelberg window dispute: a civil tragedy in five acts]. Kirche und moderne Kunst: eine aktuelle Dokumentation (in German). Frankfurt: Athenaum. ISBN 3-610-09113-4.

brianclarke.co.uk

Mulder, Karen L. (2005). "Heidelberg's window controversy: a cautionary tale". Material Religion. 1: 125–138. doi:10.2752/174322005778054465. S2CID 192176679.
Blastenbrel, Peter (1987). "Review of Exhibition". Renaissance Studies: Journal of the Society for Renaissance Studies. 1 (2). Translated by Kristine Dunthorne: 312–314. doi:10.1111/j.1477-4658.1987.tb00132.x. ISSN 0269-1213. S2CID 192402708.

"Heiliggeistkirche: touristenkirche". Evangelische Kirche in Heidelberg (in German). Archived from the original on 2022-01-04. Retrieved 2022-01-03.
"Geschichte der Heiliggeistkirche" [History of the Church of the Holy Spirit]. Evangelische Kirche in Heidelberg (in German). Archived from the original on 2022-01-04. Retrieved 3 January 2022.
"Die Heiliggeistkirche". Evangelische Kirche in Heidelberg (in German). Archived from the original on 2022-01-04. Retrieved 2022-01-04.
"Kirchenraum: Architektur & Ausstattung". Evangelische Kirche in Heidelberg (in German). Archived from the original on 2022-01-04. Retrieved 4 January 2022.
"Physikfenster". Evangelische Kirche in Heidelberg (in German). Archived from the original on 2021-12-18.

Mulder, Karen L. (2005). "Heidelberg's window controversy: a cautionary tale". Material Religion. 1: 125–138. doi:10.2752/174322005778054465. S2CID 192176679.
Blastenbrel, Peter (1987). "Review of Exhibition". Renaissance Studies: Journal of the Society for Renaissance Studies. 1 (2). Translated by Kristine Dunthorne: 312–314. doi:10.1111/j.1477-4658.1987.tb00132.x. ISSN 0269-1213. S2CID 192402708.

"Heiliggeistkirche". Institut für Sinologie, Universität Heidelberg (in German). Archived from the original on 2 January 2008.

"Heiliggeistkirche: touristenkirche". Evangelische Kirche in Heidelberg (in German). Archived from the original on 2022-01-04. Retrieved 2022-01-03.
"Heiliggeistkirche". Institut für Sinologie, Universität Heidelberg (in German). Archived from the original on 2 January 2008.
"Geschichte der Heiliggeistkirche" [History of the Church of the Holy Spirit]. Evangelische Kirche in Heidelberg (in German). Archived from the original on 2022-01-04. Retrieved 3 January 2022.
"Die Heiliggeistkirche". Evangelische Kirche in Heidelberg (in German). Archived from the original on 2022-01-04. Retrieved 2022-01-04.
"Kirchenraum: Architektur & Ausstattung". Evangelische Kirche in Heidelberg (in German). Archived from the original on 2022-01-04. Retrieved 4 January 2022.
"Heiliggeistkirche Heidelberg (Cathedral Church of the Holy Spirit)". Brian Clarke. Archived from the original on 2020-08-13. Retrieved 2022-03-09.
"Physikfenster". Evangelische Kirche in Heidelberg (in German). Archived from the original on 2021-12-18.

Blastenbrel, Peter (1987). "Review of Exhibition". Renaissance Studies: Journal of the Society for Renaissance Studies. 1 (2). Translated by Kristine Dunthorne: 312–314. doi:10.1111/j.1477-4658.1987.tb00132.x. ISSN 0269-1213. S2CID 192402708.