diff --git a/make-includes/build_content_rules.make b/make-includes/build_content_rules.make
index 27eb443..0b22aac 100644
--- a/make-includes/build_content_rules.make
+++ b/make-includes/build_content_rules.make
@@ -262,11 +262,15 @@
 #
 debug:
 	@$(ANNOUNCE) Externally defined variables
+	@$(ECHO) "ALL_PAPERS_ROOT = [$(ALL_PAPERS_ROOT)]"
 	@$(ECHO) "TEACHING_SHARED = [$(TEACHING_SHARED)]"
+	@$(ECHO) "HANDBOOK_INSTALL_ROOT = [$(HANDBOOK_INSTALL_ROOT)]"
 	@$(ECHO) "BUILD_DIR = [$(BUILD_DIR)]"
 	@$(ANNOUNCE) Internally defined variables
 	@$(ECHO) "GLOBAL_HANDBOOK_INCLUDE = [$(GLOBAL_HANDBOOK_INCLUDE)]"
 	@$(ECHO) "LOCAL_HANDBOOK_INCLUDE = [$(LOCAL_HANDBOOK_INCLUDE)]"
+	@$(ECHO) "PAPER_INCLUDE_PATH = [$(PAPER_INCLUDE_PATH)]"
+	@$(ECHO) "LATEX_INIT_FILE = [$(LATEX_INIT_FILE)]"
 
 
 ################################################################################