United States
 
United States Copyright Office Home Page
http://www.loc.gov/copyright/

US Copyright Office/Registration Procedures
http://www.loc.gov/copyright/reg.html

US Copyright Office FAQs
http://www.loc.gov/copyright/faq.html

US Copyright Office Forms
http://www.loc.gov/copyright/forms/

The Digital Millennium Copyright Act of 1998, U.S. Copyright Office Summary
http://www.loc.gov/copyright/legislation/dmca.pdf

Canada
 
Canadian Intellectual Property Office - Copyright Home Page
http://strategis.ic.gc.ca/sc_mrksv/cipo/cp/cp_main-e.html
 
Canadian Intellectual Property Office - Guide to Copyrights
http://strategis.ic.gc.ca/sc_mrksv/cipo/cp/copy2000.pdf

Copyright Application Form
http://strategis.ic.gc.ca/sc_mrksv/cipo/cp/cp_reg_frm-e.pdf
 
Department of Justice - Copyright Act
http://laws.justice.gc.ca/en/C-42/index.html
 
United Kingdom

The Patent Office - Copyright Page
http://www.patent.gov.uk/copy/

UK Copyright Service
http://www.copyrightservice.co.uk/

UK Intellectual Property Copyright FAQ
http://www.intellectual-property.gov.uk/std/faq/copyright/index.htm
 
Australia
 
IP Australia
http://www.ipaustralia.com
 
Australian Copyright Council
http://www.copyright.org.au/
 
Some of these links will require Adobe Acrobat Reader.  You can download a free copy at:
http://www.adobe.com/products/acrobat/readstep.html