PL-21

Each connection was recorded deliberately, with the basis for it kept on the internal record.

Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.

1. 1.

   “PL-21”, English Wikipedia, consulted as further reading

   reference work · Reputable secondary · Wikipedia

   Consult the source
2. 2.

   Wikidata, structured authority record Q39058902: PL-21

   reference work · Reputable secondary · Wikidata

   Consult the source

Each of these records shares a confirmed fact with this one — the same workshop, publisher, movement, place of work or teacher.

• PL-17Terminology

  Shared: broader subject

• MAA-1 PiranhaTerminology

  Shared: broader subject

• AIM-47 FalconTerminology

  Shared: broader subject

• AIM-82Terminology

  Shared: broader subject

• AIM-4 FalconTerminology

  Shared: broader subject

• SkyflashTerminology

  Shared: broader subject

• AIM-26 FalconTerminology

  Shared: broader subject

• IRIS-TTerminology

  Shared: broader subject

• AIM-7 SparrowTerminology

  Shared: broader subject

• MartletTerminology

  Shared: broader subject

• AIM-120 AMRAAMTerminology

  Shared: broader subject

• AIM-9 SidewinderTerminology

  Shared: broader subject

6,095 published records in this field, each with its sources named.

• PL-10Terminology
• PL-12Terminology
• PL-15Terminology
• PL-17Terminology
• PLargoniaTerminology
• plastic bulletTerminology
• plastic-tipped bulletTerminology
• Pleter 91 submachine gunTerminology