Here is a list of major IRS tax forms with links to their official pages for detailed information:

1. Form 1040 - U.S. Individual Income Tax Return

2. Form 1120 - U.S. Corporation Income Tax Return

3. Form 1065 - U.S. Return of Partnership Income

4. Form 941 - Employer’s QUARTERLY Federal Tax Return

5. Form W-2 - Wage and Tax Statement

6. Form W-9 - Request for Taxpayer Identification Number and Certification

7. Form 8862 - Information to Claim Earned Income Credit After Disallowance

8. Form 8863 - Education Credits (American Opportunity and Lifetime Learning Credits)

9. Form 5471 - Information Return of U.S. Persons With Respect to Certain Foreign Corporations

10. Form 1099-MISC - Miscellaneous Income

11. Form 1099-NEC - Nonemployee Compensation

12. Form 1041 - U.S. Income Tax Return for Estates and Trusts

13. Form 8889 - Health Savings Accounts (HSAs)

14. Form 8880 - Credit for Qualified Retirement Savings Contributions

15. Form 8888 - Allocation of Refund (Including Savings Bond Purchases)

16. Form 4868 - Application for Automatic Extension of Time to File U.S. Individual Income Tax Return

17. Form 8839 - Qualified Adoption Expenses

18. Form 8865 - Return of U.S. Persons With Respect to Certain Foreign Partnerships

19. Form 990 - Return of Organization Exempt From Income Tax

20. Form 941-X - Adjusted Employer’s QUARTERLY Federal Tax Return or Claim for Refund

For additional forms and detailed information on each, you can visit the IRS Forms & Publications page.

The following publications are available on the IRS website.

Click on any publication below to view it online:

• Tax Glossary

• Schedule K-1 (Form 1065)

• Schedule K-1 (Form 1120)

• Publication 1 - Your Rights as a Taxpayer

• Publication 3 - Armed Forces' Tax Guide

• Publication 15 - Circular E, Employer's Tax Guide

• Publication 15A - Employer's Supplemental Tax Guide

• Publication 15B - Employer's Tax Guide to Fringe Benefits

• Publication 17 - Your Federal Income Tax

• Publication 54 - Tax Guide for U.S. Citizens and Resident Aliens Abroad

• Publication 80 - Circular SS - Federal Tax Guide for Employers in the U.S. Virgin Islands

• Publication 225 - Farmer's Tax Guide

• Publication 334 - Tax Guide for Small Business

• Publication 463 - Travel, Entertainment, Gift, and Car Expenses

• Publication 504 - Divorced or Separated Individuals

• Publication 505 - Tax Withholding and Estimated Tax

• Publication 514 - Foreign Tax Credit for Individuals

• Publication 530 - Tax Information for First-Time Homeowners

For the complete list and further details, visit the IRS Publications page.