diff --git a/Makefile.am b/Makefile.am
index 2e061c377..44fdf9c9f 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,3 +1,7 @@
+# Copyright (c) 2013-2016 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
 ACLOCAL_AMFLAGS = -I build-aux/m4
 SUBDIRS = src
 if ENABLE_MAN
diff --git a/autogen.sh b/autogen.sh
index 46e36ff5b..27417daf7 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,4 +1,8 @@
 #!/bin/sh
+# Copyright (c) 2013-2016 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
 set -e
 srcdir="$(dirname $0)"
 cd "$srcdir"
diff --git a/build-aux/m4/bitcoin_find_bdb48.m4 b/build-aux/m4/bitcoin_find_bdb48.m4
index 2aa493a6a..0c3d49c2b 100644
--- a/build-aux/m4/bitcoin_find_bdb48.m4
+++ b/build-aux/m4/bitcoin_find_bdb48.m4
@@ -1,3 +1,7 @@
+dnl Copyright (c) 2013-2015 The Bitcoin Core developers
+dnl Distributed under the MIT software license, see the accompanying
+dnl file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
 AC_DEFUN([BITCOIN_FIND_BDB48],[
   AC_MSG_CHECKING([for Berkeley DB C++ headers])
   BDB_CPPFLAGS=
diff --git a/build-aux/m4/bitcoin_qt.m4 b/build-aux/m4/bitcoin_qt.m4
index d26136cbe..509283a0b 100644
--- a/build-aux/m4/bitcoin_qt.m4
+++ b/build-aux/m4/bitcoin_qt.m4
@@ -1,3 +1,7 @@
+dnl Copyright (c) 2013-2016 The Bitcoin Core developers
+dnl Distributed under the MIT software license, see the accompanying
+dnl file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
 dnl Helper for cases where a qt dependency is not met.
 dnl Output: If qt version is auto, set bitcoin_enable_qt to false. Else, exit.
 AC_DEFUN([BITCOIN_QT_FAIL],[
diff --git a/build-aux/m4/bitcoin_subdir_to_include.m4 b/build-aux/m4/bitcoin_subdir_to_include.m4
index 66f106c7d..7841042ac 100644
--- a/build-aux/m4/bitcoin_subdir_to_include.m4
+++ b/build-aux/m4/bitcoin_subdir_to_include.m4
@@ -1,3 +1,7 @@
+dnl Copyright (c) 2013-2014 The Bitcoin Core developers
+dnl Distributed under the MIT software license, see the accompanying
+dnl file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
 dnl BITCOIN_SUBDIR_TO_INCLUDE([CPPFLAGS-VARIABLE-NAME],[SUBDIRECTORY-NAME],[HEADER-FILE])
 dnl SUBDIRECTORY-NAME must end with a path separator
 AC_DEFUN([BITCOIN_SUBDIR_TO_INCLUDE],[
diff --git a/build-aux/m4/l_atomic.m4 b/build-aux/m4/l_atomic.m4
index 906724b64..75c43f9a9 100644
--- a/build-aux/m4/l_atomic.m4
+++ b/build-aux/m4/l_atomic.m4
@@ -1,3 +1,9 @@
+dnl Copyright (c) 2015 Tim Kosse <tim.kosse@filezilla-project.org>
+dnl Copying and distribution of this file, with or without modification, are
+dnl permitted in any medium without royalty provided the copyright notice
+dnl and this notice are preserved. This file is offered as-is, without any
+dnl warranty.
+
 # Some versions of gcc/libstdc++ require linking with -latomic if
 # using the C++ atomic library.
 #
@@ -32,7 +38,7 @@ AC_DEFUN([CHECK_ATOMIC], [
           AC_MSG_RESULT([yes])
         ],[
           AC_MSG_RESULT([no])
-          AC_MSG_FAILURE([cannot figure our how to use std::atomic])
+          AC_MSG_FAILURE([cannot figure out how to use std::atomic])
         ])
     ])
 
diff --git a/share/genbuild.sh b/share/genbuild.sh
index 1ef77d706..eecac4bd0 100755
--- a/share/genbuild.sh
+++ b/share/genbuild.sh
@@ -1,4 +1,8 @@
 #!/bin/sh
+# Copyright (c) 2012-2016 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
 if [ $# -gt 1 ]; then
     cd "$2"
 fi
diff --git a/src/Makefile.am b/src/Makefile.am
index ebdddc87f..e7f1d82b8 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,3 +1,7 @@
+# Copyright (c) 2013-2016 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
 DIST_SUBDIRS = secp256k1 univalue
 
 AM_LDFLAGS = $(PTHREAD_CFLAGS) $(LIBTOOL_LDFLAGS) $(HARDENED_LDFLAGS)
diff --git a/src/Makefile.bench.include b/src/Makefile.bench.include
index 4067ceb39..8c024a8c4 100644
--- a/src/Makefile.bench.include
+++ b/src/Makefile.bench.include
@@ -1,3 +1,7 @@
+# Copyright (c) 2015-2016 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
 bin_PROGRAMS += bench/bench_bitcoin
 BENCH_SRCDIR = bench
 BENCH_BINARY = bench/bench_bitcoin$(EXEEXT)
diff --git a/src/Makefile.leveldb.include b/src/Makefile.leveldb.include
index 4b3cd6364..d7346aa18 100644
--- a/src/Makefile.leveldb.include
+++ b/src/Makefile.leveldb.include
@@ -1,3 +1,7 @@
+# Copyright (c) 2016 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
 LIBLEVELDB_INT = leveldb/libleveldb.a
 LIBMEMENV_INT  = leveldb/libmemenv.a
 
diff --git a/src/Makefile.qt.include b/src/Makefile.qt.include
index ea9be8271..a2ed4f47d 100644
--- a/src/Makefile.qt.include
+++ b/src/Makefile.qt.include
@@ -1,3 +1,7 @@
+# Copyright (c) 2013-2016 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
 bin_PROGRAMS += qt/bitcoin-qt
 EXTRA_LIBRARIES += qt/libbitcoinqt.a
 
diff --git a/src/Makefile.qttest.include b/src/Makefile.qttest.include
index 0a7efb5d5..cb310d5a1 100644
--- a/src/Makefile.qttest.include
+++ b/src/Makefile.qttest.include
@@ -1,3 +1,7 @@
+# Copyright (c) 2013-2016 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
 bin_PROGRAMS += qt/test/test_bitcoin-qt
 TESTS += qt/test/test_bitcoin-qt
 
diff --git a/src/Makefile.test.include b/src/Makefile.test.include
index 0748d1a39..5ce1bbb89 100644
--- a/src/Makefile.test.include
+++ b/src/Makefile.test.include
@@ -1,3 +1,7 @@
+# Copyright (c) 2013-2016 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
 TESTS += test/test_bitcoin
 bin_PROGRAMS += test/test_bitcoin
 TEST_SRCDIR = test