diff --git a/Doc/lib/libamoeba.tex b/Doc/lib/libamoeba.tex
index 10059eeaccc..d471f359d86 100644
--- a/Doc/lib/libamoeba.tex
+++ b/Doc/lib/libamoeba.tex
@@ -1,8 +1,9 @@
 \chapter{Amoeba Specific Services}
 
 \section{Built-in Module \sectcode{amoeba}}
-
+\label{module-amoeba}
 \bimodindex{amoeba}
+
 This module provides some object types and operations useful for
 Amoeba applications.  It is only available on systems that support
 Amoeba operations.  RPC errors and other Amoeba errors are reported as
diff --git a/Doc/lib/libfcntl.tex b/Doc/lib/libfcntl.tex
index 8af4ee31450..e3a4ae0c274 100644
--- a/Doc/lib/libfcntl.tex
+++ b/Doc/lib/libfcntl.tex
@@ -1,5 +1,6 @@
 % Manual text by Jaap Vermeulen
 \section{Built-in Module \sectcode{fcntl}}
+\label{module-fcntl}
 \bimodindex{fcntl}
 \indexii{UNIX@\UNIX{}}{file control}
 \indexii{UNIX@\UNIX{}}{I/O control}
diff --git a/Doc/lib/libkeyword.tex b/Doc/lib/libkeyword.tex
index 794a91ea16e..b4910a692b9 100644
--- a/Doc/lib/libkeyword.tex
+++ b/Doc/lib/libkeyword.tex
@@ -1,4 +1,5 @@
 \section{Standard Module \sectcode{keyword}}
+\label{module-keyword}
 \stmodindex{keyword}
 
 This module allows a Python program to determine if a string is a
diff --git a/Doc/lib/libmimify.tex b/Doc/lib/libmimify.tex
index 298275583b5..3588dc9cba9 100644
--- a/Doc/lib/libmimify.tex
+++ b/Doc/lib/libmimify.tex
@@ -1,4 +1,5 @@
 \section{Standard Module \sectcode{mimify}}
+\label{module-mimify}
 \stmodindex{mimify}
 \setindexsubitem{(in module mimify)}
 
diff --git a/Doc/lib/libstdwin.tex b/Doc/lib/libstdwin.tex
index 6a0b58d2d03..b16fde66bdf 100644
--- a/Doc/lib/libstdwin.tex
+++ b/Doc/lib/libstdwin.tex
@@ -15,6 +15,7 @@ under X11, Win32 for Windows and Windows NT, and a collection of
 native toolkit interfaces for the Macintosh.
 
 \section{Built-in Module \sectcode{stdwin}}
+\label{module-stdwin}
 \bimodindex{stdwin}
 
 This module defines several new object types and functions that
@@ -776,6 +777,7 @@ main()
 \end{verbatim}
 %
 \section{Standard Module \sectcode{stdwinevents}}
+\label{module-stdwinevents}
 \stmodindex{stdwinevents}
 
 This module defines constants used by STDWIN for event types
@@ -790,6 +792,7 @@ Suggested usage is
 \end{verbatim}
 %
 \section{Standard Module \sectcode{rect}}
+\label{module-rect}
 \stmodindex{rect}
 
 This module contains useful operations on rectangles.
diff --git a/Doc/libamoeba.tex b/Doc/libamoeba.tex
index 10059eeaccc..d471f359d86 100644
--- a/Doc/libamoeba.tex
+++ b/Doc/libamoeba.tex
@@ -1,8 +1,9 @@
 \chapter{Amoeba Specific Services}
 
 \section{Built-in Module \sectcode{amoeba}}
-
+\label{module-amoeba}
 \bimodindex{amoeba}
+
 This module provides some object types and operations useful for
 Amoeba applications.  It is only available on systems that support
 Amoeba operations.  RPC errors and other Amoeba errors are reported as
diff --git a/Doc/libfcntl.tex b/Doc/libfcntl.tex
index 8af4ee31450..e3a4ae0c274 100644
--- a/Doc/libfcntl.tex
+++ b/Doc/libfcntl.tex
@@ -1,5 +1,6 @@
 % Manual text by Jaap Vermeulen
 \section{Built-in Module \sectcode{fcntl}}
+\label{module-fcntl}
 \bimodindex{fcntl}
 \indexii{UNIX@\UNIX{}}{file control}
 \indexii{UNIX@\UNIX{}}{I/O control}
diff --git a/Doc/libkeyword.tex b/Doc/libkeyword.tex
index 794a91ea16e..b4910a692b9 100644
--- a/Doc/libkeyword.tex
+++ b/Doc/libkeyword.tex
@@ -1,4 +1,5 @@
 \section{Standard Module \sectcode{keyword}}
+\label{module-keyword}
 \stmodindex{keyword}
 
 This module allows a Python program to determine if a string is a
diff --git a/Doc/libmacic.tex b/Doc/libmacic.tex
index aa3ba13a06a..eca0b2c83bb 100644
--- a/Doc/libmacic.tex
+++ b/Doc/libmacic.tex
@@ -1,4 +1,5 @@
 \section{Standard Module \sectcode{ic}}
+\label{module-ic}
 \bimodindex{ic}
 
 \setindexsubitem{(in module ic)}
diff --git a/Doc/libmimify.tex b/Doc/libmimify.tex
index 298275583b5..3588dc9cba9 100644
--- a/Doc/libmimify.tex
+++ b/Doc/libmimify.tex
@@ -1,4 +1,5 @@
 \section{Standard Module \sectcode{mimify}}
+\label{module-mimify}
 \stmodindex{mimify}
 \setindexsubitem{(in module mimify)}
 
diff --git a/Doc/libstdwin.tex b/Doc/libstdwin.tex
index 6a0b58d2d03..b16fde66bdf 100644
--- a/Doc/libstdwin.tex
+++ b/Doc/libstdwin.tex
@@ -15,6 +15,7 @@ under X11, Win32 for Windows and Windows NT, and a collection of
 native toolkit interfaces for the Macintosh.
 
 \section{Built-in Module \sectcode{stdwin}}
+\label{module-stdwin}
 \bimodindex{stdwin}
 
 This module defines several new object types and functions that
@@ -776,6 +777,7 @@ main()
 \end{verbatim}
 %
 \section{Standard Module \sectcode{stdwinevents}}
+\label{module-stdwinevents}
 \stmodindex{stdwinevents}
 
 This module defines constants used by STDWIN for event types
@@ -790,6 +792,7 @@ Suggested usage is
 \end{verbatim}
 %
 \section{Standard Module \sectcode{rect}}
+\label{module-rect}
 \stmodindex{rect}
 
 This module contains useful operations on rectangles.
diff --git a/Doc/mac/libmacic.tex b/Doc/mac/libmacic.tex
index aa3ba13a06a..eca0b2c83bb 100644
--- a/Doc/mac/libmacic.tex
+++ b/Doc/mac/libmacic.tex
@@ -1,4 +1,5 @@
 \section{Standard Module \sectcode{ic}}
+\label{module-ic}
 \bimodindex{ic}
 
 \setindexsubitem{(in module ic)}