diff --git a/README.org b/README.org
index d08e1bd..ab68351 100644
--- a/README.org
+++ b/README.org
@@ -3027,6 +3027,13 @@ SCHEDULED: <2023-06-30 Fri>
 :CUSTOM_ID: sec:org-introspection
 :END:
 
+1. Listing [[lst:valid-org-babel-load-languages-entries]] extracts an association
+   list of library names and ~org-babel-execute:LANGUAGE~ function names.
+2. Listing [[lst:org-babel-active-languages]] produces a list containing language
+   names that have ~org-babel-execute:LANGUAGE~ functions.
+3. Listing [[lst:get-in-buffer-settings]] and [[lst:get-in-buffer-settings-result]] show
+   how to access [[info:org#In-buffer Settings][In-buffer Settings (info)]].
+
 #+caption[Find valid entries for =org-babel-load-languages=]:
 #+caption: Find valid entries for =org-babel-load-languages=.
 #+name: lst:valid-org-babel-load-languages-entries
@@ -3117,6 +3124,23 @@ Return a list of items where the filename is the `car' of each item and the
  ("perl") ("python") ("ruby") ("shell") ("text") ("toml"))
 #+end_src
 
+#+caption[Get "in-buffer" settings]:
+#+caption: Get "in-buffer" settings.
+#+name: lst:get-in-buffer-settings
+#+header: :wrap "src emacs-lisp -n :eval never :tangle no"
+#+begin_src emacs-lisp -n :exports both :results value pp :tangle no
+(org-collect-keywords '("title" "author" "latex_class"))
+#+end_src
+
+#+caption[Get "in-buffer" settings result]:
+#+caption: Get "in-buffer" settings result.
+#+name: lst:get-in-buffer-settings-result
+#+RESULTS: lst:get-in-buffer-settings
+#+begin_src emacs-lisp -n :eval never :tangle no
+(("TITLE" "Emacs setup for use with LaTeX, Lisp, Org, and Python")
+ ("AUTHOR" "Gerard Vermeulen") ("LATEX_CLASS" "article"))
+#+end_src
+
 *** [[https://github.com/bdarcus/citar][Citar: citing bibliography]] with [[https://orgmode.org/][Org Mode]]
 :PROPERTIES:
 :CUSTOM_ID: sec:citing-bibliography