FBI Abbreviations
| 11/22-24/63 | Activities of November 22-24, 1963 |
| AAG | Assistant Attorney General |
| ACK | Acknowledge(s) |
| ACLU | American Civil Liberties Union |
| ACT | Activities |
| ADMIN | Administrative |
| AFFIL | Affiliation |
| AKA | Alias/Aliases |
| ARTIC | Arctic |
| A/O | And/Or |
| ASSA | Assassination |
| ASSOC. | Associates |
| ASSOC WITH LHO | Association with Oswald, Lee |
| A/T | Airtel(s) |
| ATT | Attached |
| BACKYARD | Backyard Photograph |
| B/F INT | Business and Financial Interest |
| BUSS | Business |
| BKG | Background |
| CC | Church Committee |
| CIT | Citizen |
| CO | Company |
| CONSPR | Conspiracy |
| CONV AND SUBS EVENTS | Conviction and Subsequent Events |
| CP | Communist Party |
| CS | Clay Shaw |
| DA | District Attorney |
| DAG | Deputy Attorney General |
| DEFECT | Defection to Russia |
| DEMOH | George DeMohrenschildt |
| DF | David Ferrie |
| DID | Domestic Intelligence Division |
| DIV | Division |
| DLPD | Dallas Police Department |
| DOC | Document(s) |
| DRE | Directorio Revolucionario Estudiantil |
| DTD | Dated |
| EBF | Enclosure Behind File |
| EMP | Employment |
| ENC | Enclosure(s) |
| ENT TO BASE OF PS | Entrance to Basement of Police Station, November 24 |
| EVID | Evidence |
| FAM WITH POL | Familiarity with the Police |
| FOIA | Freedom of Information Act |
| FPCC | Fair Play for Cuba Committee |
| FPT | Fingerprints |
| GID | General Investigative Division |
| HDW | Handwriting |
| HSCA | House Select Committee on Assassinations |
| IDENT | Identification |
| INC | Includes |
| INSTR | Instructions |
| INTEL | ntelligence |
| INTV | Interview(s) |
| INVEST | Investigation |
| JACQ K | Jacqueline Kennedy |
| JBS | John Birch Society |
| JC | John Connally |
| JFK | John Kennedy |
| JFK, NAR A/O AOKRI | JFK, News Articles Regarding Assassination And/Or Activities of Key Related Individuals |
| JG | James Garrison |
| JR | Jack Ruby |
| JR, IGRHB A/O HAS | Jack Ruby, Information Gathered Regarding His Background and/or His Suspected Associates |
| JURE | Junta Revolucionaria Cubana |
| LAB | Laboratory |
| LABOR | Labor Union Activities |
| LBJ | Lyndon B. Johnson |
| LCN | La Costra Nostra |
| LHM | Letter Head Memorandum(s) |
| LHO | Lee Harvey Oswald |
| LOC | Located |
| LTR | Letter |
| LTRS | Letters |
| MCO | Marguerite Oswald |
| MED | Medical |
| MED/PERS HIST | Medical and Personal History |
| MIL | Military |
| MIL SERV | Military Service |
| MNO | Marina Oswald |
| MRP | Michael Paine |
| NAAWP | National Association for the Advancement of White People |
| NCK | Name Check(s) |
| NEG | Negatives(s) |
| NSRP | National States Rights Party |
| OC | Organized Crime |
| OP | Oswald Period |
| PC | Pike Committee |
| PDT | Police Department |
| PMH | Parkland Memorial Hospital |
| POLIT | Politics/Political |
| POST-OP | Post-Oswald Period |
| POST-RP | Post-Russian Period |
| PPT | Palm-prints |
| PRELIM | Preliminary |
| PRE-OP | Pre-Oswald Period |
| PRE-RP | Pre-Russian Period |
| PREP | Preparation |
| PRES AT PS | Presence at Police Station, November 22 |
| PSYCH EXAM | Psychiatric Exam |
| RACK AND SUBV | Racketeering and Subversive Activities |
| RC | Rockefeller Commission |
| REL | Relative(s) |
| REL WITH JM | Relationship with James Martin |
| RES | Residence |
| REQU | Request |
| RFK | Robert F. Kennedy |
| RHP | Ruth Paine |
| RP | Russian Period |
| RPT | Report(s) |
| R/S | Routing Slip(s) |
| RTN | Return |
| RUSS | Russia/Russian |
| RUSS SPK ASSOC | Russian-Speaking Associates in Fort Worth and Dallas |
| SATDL | FBI Agents Travel to Dallas |
| SERV | Service |
| SNFE | Second National Front of Escambray |
| S/S | Search Slip(s) |
| SUBV | Subversive |
| SUSP | Suspect(s) |
| SWP | Socialist Workers Party |
| TELCAL | Telephone Call(s) |
| TEST | Testimony |
| TEST BEFORE WC | Testimony Before the Warren Commission |
| TRA | Travel |
| TSBD | Texas School Book Depository |
| TTY | Teletype(s) |
| TYW | Typewriting |
| UNK | Unknown |
| WIT | Witness |
| YCL | Young Communist League |