diff --git a/Makefile.am b/Makefile.am
index c31e7f03..565c169d 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,3 +1,20 @@
+# Make findutils.
+
+# Copyright (C) 1996-2017 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
 AUTOMAKE_OPTIONS=gnits
 # readme-alpha
 AM_CFLAGS = $(WARN_CFLAGS)
diff --git a/README b/README
index bfe2d693..a6d02407 100644
--- a/README
+++ b/README
@@ -87,3 +87,14 @@ http://lists.gnu.org/archive/html/findutils-patches/.
 
 Mail suggestions and bug reports for these programs to
 bug-findutils@gnu.org.
+
+========================================================================
+
+Copyright (C) 1996-2017 Free Software Foundation, Inc.
+
+Permission is granted to copy, distribute and/or modify this document
+under the terms of the GNU Free Documentation License, Version 1.3 or
+any later version published by the Free Software Foundation; with no
+Invariant Sections, with no Front-Cover Texts, and with no Back-Cover
+Texts.  A copy of the license is included in the "GNU Free
+Documentation License" file as part of this distribution.
diff --git a/TODO b/TODO
index 54ede6f1..3d8b320c 100644
--- a/TODO
+++ b/TODO
@@ -83,3 +83,20 @@ This is used by Emacs' spell checker ispell.el:
 
 LocalWords: xargs updatedb sh lib frcode bigram texi
 LocalWords: findutils Debian cron
+
+-----
+
+Copyright (C) 1996-2017 Free Software Foundation, Inc.
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
diff --git a/doc/perm.texi b/doc/perm.texi
index 41b24f6d..4a379223 100644
--- a/doc/perm.texi
+++ b/doc/perm.texi
@@ -1,3 +1,14 @@
+@c File mode bits
+
+@c Copyright (C) 1994-2017 Free Software Foundation, Inc.
+
+@c Permission is granted to copy, distribute and/or modify this document
+@c under the terms of the GNU Free Documentation License, Version 1.3 or
+@c any later version published by the Free Software Foundation; with no
+@c Invariant Sections, with no Front-Cover Texts, and with no Back-Cover
+@c Texts.  A copy of the license is included in the ``GNU Free
+@c Documentation License'' file as part of this distribution.
+
 Each file has a set of @dfn{permissions} that control the kinds of
 access that users have to that file.  The permissions for a file are
 also called its @dfn{access mode}.  They can be represented either in
diff --git a/find/Makefile.am b/find/Makefile.am
index 3207fc59..8f73e823 100644
--- a/find/Makefile.am
+++ b/find/Makefile.am
@@ -1,3 +1,18 @@
+## Copyright (C) 1996-2017 Free Software Foundation, Inc.
+
+## This program is free software: you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation, either version 3 of the License, or
+## (at your option) any later version.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
 AUTOMAKE_OPTIONS = std-options
 AM_CFLAGS = $(WARN_CFLAGS)
 localedir = $(datadir)/locale
diff --git a/lib/Makefile.am b/lib/Makefile.am
index a1d67b2d..739f2ceb 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -1,5 +1,20 @@
 ## Process this file with automake to produce Makefile.in.
 
+## Copyright (C) 1996-2017 Free Software Foundation, Inc.
+
+## This program is free software: you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation, either version 3 of the License, or
+## (at your option) any later version.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
 AUTOMAKE_OPTIONS = 1.5 gnits
 # no-dependencies
 AM_CFLAGS = $(WARN_CFLAGS)
diff --git a/locate/Makefile.am b/locate/Makefile.am
index 0e9551b7..e2d80da1 100644
--- a/locate/Makefile.am
+++ b/locate/Makefile.am
@@ -1,4 +1,20 @@
 # The default database to build and search.
+
+## Copyright (C) 1996-2017 Free Software Foundation, Inc.
+
+## This program is free software: you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation, either version 3 of the License, or
+## (at your option) any later version.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
 AUTOMAKE_OPTIONS = std-options
 AM_CFLAGS = $(WARN_CFLAGS)
 LOCATE_DB = $(localstatedir)/locatedb
diff --git a/xargs/Makefile.am b/xargs/Makefile.am
index 41e89426..6fdaef41 100644
--- a/xargs/Makefile.am
+++ b/xargs/Makefile.am
@@ -1,3 +1,18 @@
+## Copyright (C) 1996-2017 Free Software Foundation, Inc.
+
+## This program is free software: you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation, either version 3 of the License, or
+## (at your option) any later version.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
 AUTOMAKE_OPTIONS = std-options
 AM_CFLAGS = $(WARN_CFLAGS)
 localedir = $(datadir)/locale