| Acronym/Abbreviation | Stands for... | Found here... |
| 404 | Form 404 - Arrival Information | Occupation Column |
| 505 | Form 505 - Arrival Information | Occupation Column |
| ACL | Alien Contract Labor | Special Inquiry |
| B/C | Bureau Correspondence | Name Column |
| B-i-l | Brother-in-law | Record of Detained Aliens |
| B.S.I. | Board of Special Inquiry | Left Margin |
| C | Certificate (usually) | Nationality and Citizenship |
| C/A | Certificate of Arrival | Occupation Column |
| C.L. | Certificate of Landing | Occupation Column |
| CL | Contract Labor | Special Inquiry |
| D | Detained | Left Margin |
| Dcd. | Discharged | Other |
| Dep.-Excl. | Deportable and Excludable | Special Inquiry |
| D.O.S. | Department of State | Name Column |
| Husb | Husband | Record of Detained Aliens |
| LPC | Likely Public Charge | Special Inquiry or Other |
| Med Cert | Medical Certificate | Special Inquiry or Other |
| Nat or Natz | Naturalized | Nationality and Citizenship |
| N.O.B. | Not On Board | Left Margin |
| P | Permit | Name Column |
| Rech | Recheck | Occupation Column |
| R.R. | Railroad | Record of Detained Aliens |
| S.I. | Special Inquiry | Left Margin |
| Tel $ | Telegram sent for money | Record of Detained Aliens |
| USB | US Born | Nationality and Citizenship |
| USC | United States Citizen | References to Other Pages or Lists |
| V/L | Verification of Landing | Name Column |
| X | "Detained" | Left Margin |