OSR

• BDTH2
• Einsatzgruppen reports
• Jikes RVM
• Leoš Janáček Airport Ostrava
• OSR1
• OSR2 (gene)
• OSRIC
• Odessa Soviet Republic
• Office of Strategic Research
• Ohio State Reformatory
• Oilseed rape
• Old School Renaissance
• Ontario Southland Railway
• Open-source robotics
• Operational sex ratio
• Optical solar reflector
• Orchestre de la Suisse Romande
• Overseas Service Ribbon
• Owasippe Scout Reservation
• Richard Lehman (CIA officer)
• Texas State Highway OSR
• Windows 95