US Immigration (USCIS)
http://www.uscis.gov/
Main site for US Immigration

US Immigration Processing Times
https://egov.uscis.gov/cris/jsps/ptimes.jsp
Allows you to see the progress of different types of cases and the five service centers and local offices of US Immigration

US Immigration on line case status
https://egov.uscis.gov/cris/jsps/login.jsp
Allows you to see the status of most cases that are processed at service centers and you can sign up for an account so that they will e-mail you with any updates in your case

On line address change with US immigration
https://egov.uscis.gov/crisgwi/go?action=coa
Non citizens must update their address within ten days of moving. This also allows you to update your address for specific forms that you have pending

Electronic forms filing with US Immigration
https://efiling.uscis.dhs.gov/efile/
Some forms can be filed electronically with US immigration

Immigration Authorized Physicians
https://egov.uscis.gov/crisgwi/go?action=offices.type&OfficeLocator.office_type=CIV
People applying for a green card (adjustment of status) in the US must have a medical exam administered by a physician approved by US immigration

Naturalization Study Questions (through 09/30/2008)
http://www.uscis.gov/files/article/Flashcard_questions.pdf
Current version of the questions asked at a Naturalization (citizenship) interview

Naturalization Study Questions (10/01/2008 and onwards)
http://www.aila.org/content/default.aspx?docid=21117
Version of the questions to be asked at a Naturalization (citizenship) interview from 10/01/2008 onwards

Poverty Guidelines
http://travel.state.gov/visa/immigrants/info/info_1327.html
Guidelines when computing sponsor’s eligibility in a family based immigration case

Bureau of Consular Affairs
http://www.travel.state.gov/
Main web portal for the State Department’s immigration related services and information

US Embassies and Consulates
http://usembassy.state.gov/
List of and links to US embassies and consulates throughout the world

Visa Waiting Times
http://travel.state.gov/visa/tempvisitors_wait.php
Allows you to check the waiting times for visa processing at consulates around the world

Electronic Non-Immigrant Visa Application
https://evisaforms.state.gov/ds156.asp?lang=1
The preferred method of completing a non-immigrant visa application for submission at a US Consulate

Visa Bulletin
http://travel.state.gov/visa/frvi/bulletin/bulletin_1360.html
Chart updated monthly showing the backlog in various immigrant categories

National Visa Center
http://travel.state.gov/visa/immigrants/types/types_1309.html
Link to the office that handles preliminary processing for immigrant visas

State Department Foreign Affairs Manual
http://foia.state.gov/REGS/Search.asp
Contains laws and examples related to the processing of various types of visas

Countries with Investor (E-2) and/or Trader (E-1) Treaties with the US
http://foia.state.gov/masterdocs/09fam/0941051X1.pdf
Updated list of countries having such treaties with the US

General US Passport Information
http://travel.state.gov/passport/passport_1738.html
Links to various forms and instructions needed to apply for a US Passport

On line US Passport Application
https://pptform.state.gov/DS11/MainDS11.aspx
Electronically filled application for a US Passport

Passport Application Status
http://travel.state.gov/passport/get/status/status_2567.html
Allows you to view the status of passport applications where expedited processing has been paid for

TN Visas
http://travel.state.gov/visa/temp/types/types_1274.html
Information for TN visas for certain professionals from Canada and Mexico

Office of Foreign Labor Certification
http://www.foreignlaborcert.doleta.gov/
Regulations and links for the foreign labor certification process

Foreign Labor Certification Application
http://www.plc.doleta.gov
Link to the on line PERM application for labor certification

Occupational Outlook Handbook
http://www.bls.gov/oco/home.htm
Research tool for job duties and requirements for use in employment based visas

Foreign Labor Certification Data Center
http://flcdatacenter.com/
Research tool for wage information for employment based visas

Standard Occupational Classification (SOC) User Guide
http://stats.bls.gov/soc/socguide.htm
Research tool for job codes used in the employment based visa process

NAICS (North American Industry Classification System)
http://www.census.gov/epcd/www/naics.html
Research tool for industry codes needed for many employment based visa applications

Labor Condition Application Online
http://www.lca.doleta.gov/
Link to required form for the H-1B and H-1B1 application process

American Immigration Lawyers Association
http://www.aila.org
Premier organization for attorneys practicing immigration law as well as providing free information to the public

Citizenship laws of the world
http://www.opm.gov/extra/investigate/IS-01.pdf
Useful information regarding dual nationality and other issues between the US and other countries

Selective Service Verification
https://www4.sss.gov/regver/verification1.asp
On line tool used to verify certain men’s registration in the Selective Service system, which may be a requirement for Naturalization (citizenship)

Yahoo Immigration News Coverage
http://news.yahoo.com/fc/us/immigration
Up to date news coverage of US immigration

2006 Human Rights Reports
http://www.state.gov/g/drl/rls/hrrpt/2006/
Current State Department Report discussing political conditions in foreign countries (generally useful in asylum applications)