Hi there,
Re 78th Infanterie Divisions, it is definitely GR.14
My go to source for German Infantry Division layouts confirms it here;
http://www.diedeutschewehrmacht.de/78%20inf%20div.htm
Translated to English it mentions;
The Inf.Reg.238 is dissolved on 11.11.1941 and by the Inf.Reg.14 I.-III.Btl. replaced, from 10.12.1941 without III., The Div. becomes on the 01/01/1943 the Sturm Div. reclassified.
So it definitely had the 14th Regt from November '41 and my notes from Moscow '42 mentions that the III Battalion was disbanded on Dec 9th, 1941.
I'd double check the attachment of 141st regiment as I can't find any reference to this regiment online beyond the First World War.
David