diff --git a/lisp/textmodes/bibtex.el b/lisp/textmodes/bibtex.el
index c06e8bfa1bb..2dd4e8e7af0 100644
--- a/lisp/textmodes/bibtex.el
+++ b/lisp/textmodes/bibtex.el
@@ -839,6 +839,24 @@ for a new entry."
       ("eprint") ("eprintclass" nil nil 4) ("primaryclass" nil nil -4)
       ("eprinttype" nil nil 5) ("archiveprefix" nil nil -5)
       ("url") ("urldate")))
+    ("PhdThesis" "PhD Thesis"
+     (("author")
+      ("title" "Title of the PhD thesis")
+      ("school" "School where the PhD thesis was written")
+      ("year"))
+     nil
+     (("type" "Type of the PhD thesis")
+      ("address" "Address of the school (if not part of field \"school\") or country")
+      ("month") ("note")))
+    ("TechReport" "Technical Report"
+     (("author")
+      ("title" "Title of the technical report (BibTeX converts it to lowercase)")
+      ("institution" "Sponsoring institution of the report")
+      ("year"))
+     nil
+     (("type" "Type of the report (if other than \"technical report\")")
+      ("number" "Number of the technical report")
+      ("address") ("month") ("note")))
     ("Unpublished" "Unpublished"
      (("author") ("title") ("date" nil nil 1) ("year" nil nil -1))
      nil