diff --git a/Doc/lib/libobjs.tex b/Doc/lib/libobjs.tex
index ea6891a..450447b 100644
--- a/Doc/lib/libobjs.tex
+++ b/Doc/lib/libobjs.tex
@@ -1,4 +1,5 @@
 \chapter{Built-in Types, Exceptions and Functions}
+\label{builtin}
 
 \nodename{Built-in Objects}
 
diff --git a/Doc/lib/libpdb.tex b/Doc/lib/libpdb.tex
index 6f14ab6..d560a11 100644
--- a/Doc/lib/libpdb.tex
+++ b/Doc/lib/libpdb.tex
@@ -1,4 +1,5 @@
 \chapter{The Python Debugger}
+\label{module-pdb}
 \stmodindex{pdb}
 \index{debugging}
 
diff --git a/Doc/lib/libprofile.tex b/Doc/lib/libprofile.tex
index bbf0371..2e3bc3d 100644
--- a/Doc/lib/libprofile.tex
+++ b/Doc/lib/libprofile.tex
@@ -1,4 +1,5 @@
 \chapter{The Python Profiler}
+\label{profile}
 \stmodindex{profile}
 \stmodindex{pstats}
 
diff --git a/Doc/lib/librestricted.tex b/Doc/lib/librestricted.tex
index 9786cf0..55936ac 100644
--- a/Doc/lib/librestricted.tex
+++ b/Doc/lib/librestricted.tex
@@ -1,4 +1,5 @@
 \chapter{Restricted Execution}
+\label{restricted}
 
 In general, Python programs have complete access to the underlying
 operating system throug the various functions and classes, For
diff --git a/Doc/lib/libsgi.tex b/Doc/lib/libsgi.tex
index 8deede8..b1bb5cb 100644
--- a/Doc/lib/libsgi.tex
+++ b/Doc/lib/libsgi.tex
@@ -1,4 +1,5 @@
 \chapter{SGI IRIX Specific Services}
+\label{sgi}
 
 The modules described in this chapter provide interfaces to features
 that are unique to SGI's IRIX operating system (versions 4 and 5).
diff --git a/Doc/lib/libstrings.tex b/Doc/lib/libstrings.tex
index 411e415..6f2e705 100644
--- a/Doc/lib/libstrings.tex
+++ b/Doc/lib/libstrings.tex
@@ -1,4 +1,5 @@
 \chapter{String Services}
+\label{strings}
 
 The modules described in this chapter provide a wide range of string
 manipulation operations.  Here's an overview:
diff --git a/Doc/lib/libtypes.tex b/Doc/lib/libtypes.tex
index 3f7536e..c51d035 100644
--- a/Doc/lib/libtypes.tex
+++ b/Doc/lib/libtypes.tex
@@ -1,4 +1,5 @@
 \section{Built-in Types}
+\label{types}
 
 The following sections describe the standard types that are built into
 the interpreter.  These are the numeric types, sequence types, and
diff --git a/Doc/libobjs.tex b/Doc/libobjs.tex
index ea6891a..450447b 100644
--- a/Doc/libobjs.tex
+++ b/Doc/libobjs.tex
@@ -1,4 +1,5 @@
 \chapter{Built-in Types, Exceptions and Functions}
+\label{builtin}
 
 \nodename{Built-in Objects}
 
diff --git a/Doc/libpdb.tex b/Doc/libpdb.tex
index 6f14ab6..d560a11 100644
--- a/Doc/libpdb.tex
+++ b/Doc/libpdb.tex
@@ -1,4 +1,5 @@
 \chapter{The Python Debugger}
+\label{module-pdb}
 \stmodindex{pdb}
 \index{debugging}
 
diff --git a/Doc/libprofile.tex b/Doc/libprofile.tex
index bbf0371..2e3bc3d 100644
--- a/Doc/libprofile.tex
+++ b/Doc/libprofile.tex
@@ -1,4 +1,5 @@
 \chapter{The Python Profiler}
+\label{profile}
 \stmodindex{profile}
 \stmodindex{pstats}
 
diff --git a/Doc/librestricted.tex b/Doc/librestricted.tex
index 9786cf0..55936ac 100644
--- a/Doc/librestricted.tex
+++ b/Doc/librestricted.tex
@@ -1,4 +1,5 @@
 \chapter{Restricted Execution}
+\label{restricted}
 
 In general, Python programs have complete access to the underlying
 operating system throug the various functions and classes, For
diff --git a/Doc/libsgi.tex b/Doc/libsgi.tex
index 8deede8..b1bb5cb 100644
--- a/Doc/libsgi.tex
+++ b/Doc/libsgi.tex
@@ -1,4 +1,5 @@
 \chapter{SGI IRIX Specific Services}
+\label{sgi}
 
 The modules described in this chapter provide interfaces to features
 that are unique to SGI's IRIX operating system (versions 4 and 5).
diff --git a/Doc/libstrings.tex b/Doc/libstrings.tex
index 411e415..6f2e705 100644
--- a/Doc/libstrings.tex
+++ b/Doc/libstrings.tex
@@ -1,4 +1,5 @@
 \chapter{String Services}
+\label{strings}
 
 The modules described in this chapter provide a wide range of string
 manipulation operations.  Here's an overview:
diff --git a/Doc/libtypes.tex b/Doc/libtypes.tex
index 3f7536e..c51d035 100644
--- a/Doc/libtypes.tex
+++ b/Doc/libtypes.tex
@@ -1,4 +1,5 @@
 \section{Built-in Types}
+\label{types}
 
 The following sections describe the standard types that are built into
 the interpreter.  These are the numeric types, sequence types, and