Petroleum-Oil-and-Lubricants (AD)
Polar (AD)
Polish - MARC language code - Library of Congress (LCCP)
Polished (VRA)
Polite (SHCU)
Politician (NTIO)
Problem-Oriented Language (AD)
Poland (VRA)
Polen - Poland - Norwegian (AD)
Police (WDAA)
Polish (BEE)
Politica - of Aristotle - Classical studies (OCD)
Pollexfen's English King's Bench Reports - 1669-85 - A publication (DLA)
Polydor & Deutsche Grammophon - Record label - Germany, Europe, etc.
Polyphon - Record label - Denmark, etc.
Pacific Oceanographic Laboratories - Later, Pacific Marine Environmental Laboratory
Pacific Oceanographic Laboratory (SAUS)
Pacific Oceanography Laboratories (SAUS)
Pair Orthogonalized Lowdin - Physics
Parents of Large Families
Pastoral Occupation Licence (SAUS)
Patent Office Library (AD)
Paul Otchakovsky-Laurens - Publishing imprint, named for imprint editor
Pemba - Mozambique - Airport symbol (OAG)
Petroleum, Oil, and Lubricants - Military
Petroleum, Oil and Lubrication (or Lubricants) (SAUS)
Petroleum, Oils, and Lubricants - Military technology (DDF)
Philips Optical Language (IAA)
Physician-Owned Laboratory (HCT)
Physician's Office laboratory
Physicians Online (SAUS)
Point of Learning (SAUS)
Pola - Yugoslavia - Seismograph station code, US Geological Survey - Closed (SEIS)
Polacca - Ship's rigging (ROG)
Poland - ANSI three-letter standard code (CNC)
Polara - NCIC car model code
Polar International Airlines, Inc. - ICAO designator (FAAC)
Polarity - or Polarize (KSC)
Polarization (SEWL)
Polci - Language code (ETLW)
Police
Police Court - Court type found in state of Virginia (MVRD)
Policy
Policy Division (SAUS)
Policy Office (SAUS)
Polish (AAG)
Polish - GeoNet three-character language code (GEON)
Polish Ocean Lines (AD)
Polite
Political
Political Prisoner (SAUS)
Political Section - Foreign service
Politician
Politics On-Line (SAUS)
Polling (IAA)
Pollution
Polo - NCIC car model code
Polonium - Chemical symbol is Po (AAG)
Polygram - Publisher
Polymerase - An enzyme
Polymerized Flagellin - Medicine (EDAA)
Polytranslation Analysis and Programming (SAUS)
Porto Amelia - Mozambique - Airport symbol (AD)
Port of Loading - Shipping
Possession-Only License (GOBB)
Posterior Oblique Ligaments - Medicine
Power Optimized Logic (SAUS)
Practical Quantification Limit - Metallurgy
Premature Onset of Labor - Obstetrics (DAVI)
Problem-Oriented Language - Computer science
Procedure Oriented Language (SAUS)
Procedure-Oriented Language - Computer science
Process Oriented Language (SAUS)
Process-Oriented Language - Computer science (IEEE)
Program Oriented Language - Computer science (ECII)
Proudman Oceanographic Laboratory - UK - Marine science
Provisional Operating License - for nuclear power plant
Public Opinion Laboratory - Northern Illinois University - Research center (RCD)
Public Opinion Laboratory - Indiana University-Purdue University at Indianapolis (RCD)
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