Various files in this package have different copyrights.

The DFB read/write facilities are based on code originally written 
by Nicholas Lewin-Koh and modified by Roger Bivand and Brian Ripley.

R/dbf.R
src/Rdbfread.c
src/Rdbfwrite.c

Copyright 2000-2001 (c) Nicholas Lewin-Koh
Changes for the foreign package (C) 2004-7 R Development Core Team


src/dbfopen.c
src/shapefil.h

Corrected versions of files from shapelib by Frank Warmerdam.  The
original files were (c) 1999, Frank Warmerdam.  His code is available
under the MIT or LGPL licence, and the latter is chosen here.


man/read.dbf.Rd
man/write.dbf.Rd
Nicholas Lewin-Koh and Roger Bivand,
Changes for the foreign package (C) 2004 R Development Core Team


R/R_systat.R
man/read.systat.Rd

Copyright 2004 by Roger Bivand
Changes for the foreign package (C) 2004 R Development Core Team


src/R_systat.c

Copyright (C) 1990-1992, 2004 Roger Bivand
Patches (C) 2004 B. D. Ripley


src/avl.c
src/avl.h

Copyright (C) 1998-9, 2000 Free Software Foundation, Inc.
Written by Ben Pfaff <blp@gnu.org> (for libAVL:
<http://www.stanford.edu/~blp/avl/index.html>)
Modified for R foreign library by Saikat DebRoy <saikat@stat.wisc.edu>.


The following files are based on PSPP
<http://www.stanford.edu/~blp/projects.html>

src/file-handle.c
src/file-handle.h
src/format.c
src/format.h
src/pfm-read.c
src/pfm-h
src/sfm-read.c
src/sfm.h
src/sfmP.h

Copyright (C) 1997-9, 2000 Free Software Foundation, Inc.
Written by Ben Pfaff <blp@gnu.org>.
Modified for R foreign library by Saikat DebRoy <saikat@stat.wisc.edu>
and others.


src/minitab.c
src/SASxport.c

Copyright 1999-1999 Douglas M. Bates <bates@stat.wisc.edu>,
                    Saikat DebRoy <saikat@stat.wisc.edu>


src/foreign.h
src/spss.c

Copyright 2000-2000 Saikat DebRoy <saikat@stat.wisc.edu>
                    Thomas Lumley <tlumley@u.washington.edu>


src/stata.c

(c) 1999, 2000, 2001, 2002 Thomas Lumley.
    2000 Saikat DebRoy


man/read.dta.Rd
man/write.dta.Rd
man/write.foreign.Rd

Thomas Lumley


man/read.mtp.Rd

Douglas M. Bates


man/read.S.Rd

Duncan Murdoch


man/read.spss.Rd
man/read.xport.Rd

Saikat DebRoy


R/read.ssd.R
man/read.ssd.Rd

(c) 2002 VJ Carey
(c) 2002-7 R Development Core Team


man/read.systat.Rd

Roger Bivand


R/read.epiinfo.R
(c) 2002-4 Thomas Lumley
Patches (c) 2002 Mark Myatt

src/minitab.c
Patches (c) 2004 Rajarshi Guha


R/octave.R
man/read.octave.Rd
(c) 2004 Stephen Eglen
Enhancements (c) 2004-7 R Development Core Team


R/writeForeignSAS.R
(c) 2004-5  R Development Core Team
Enhancements (c) 2006 Stephen Weigand