| IBM | GC28-6431-0 IBM OS Compiler and Library | IBM 360 os cobol GC28-6431-0_IBM_OS_Com |
| IBM | GC28-6464-2 IBM OS COBOL Product Specifi | IBM 360 os cobol GC28-6464-2_IBM_OS_COB |
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| IBM | GC28-6470-2 IBM OS VS COBOL Compiler and | IBM 370 OS_VS cobol GC28-6470-2_IBM_OS_ |
| IBM | GC28-6473-3 DOS VS COBOL Compiler and | IBM 370 DOS_VS cobol GC28-6473-3_IBM_DO |
| IBM | GC28-6514-11 OS Assembler Rel 21 Apr76 | IBM 360 os R21.0_Mar72 GC28-6514-11_OS_ |
| IBM | GC28-6514-7 OS Assembler Rel 20 Dec70 | IBM 360 os R20.0_Jan71 GC28-6514-7_OS_A |
| IBM | GC28-6514-9 OS Assembler Rel21 Jan74 | IBM 360 asm GC28-6514-9_OS_Assembler_Re |
| IBM | GC28-6515-11 IBM System360 and System370 | IBM 370 fortran GC28-6515-11_IBM_System |
| IBM | GC28-6534-3 OS Introduction Rel 20.1 Jun | IBM 360 os R20.1_Mar71 GC28-6534-3_OS_I |
| IBM | GC28-6534-3 OS360 Introduction R21 Jan72 | IBM 360 os R21.0_Mar72 GC28-6534-3_OS36 |
| IBM | GC28-6534-4 IBM System 360 Operating Sys | IBM 360 os R21.0_Mar72 GC28-6534-4_IBM_ |
| IBM | GC28-6534-4 OS Introduction Rel 21 Nov72 | IBM 360 os R21.0_Mar72 GC28-6534-4_OS_I |
| IBM | GC28-6535-7 OS Concepts and Facilities R | IBM 360 os R19_Jun70 GC28-6535-7_OS_Con |
| IBM | GC28-6538-10 Linkage Editor Rel 21 Apr73 | IBM 360 os R21.7_Apr73 GC28-6538-10_Lin |
| IBM | GC28-6538-9 OS Linkage Editor and Loader | IBM 360 os R21.0_Mar72 GC28-6538-9_OS_L |
| IBM | GC28-6543-8 OS Sort Merge Rel 21 Feb73 | IBM 360 os R21.0_Mar72 GC28-6543-8_OS_S |
| IBM | GC28-6550-10 Data Management for System | IBM 360 os R21.0_Mar72 GC28-6550-10_Dat |
| IBM | GC28-6550-11 Data Management for System | IBM 360 os R21.7_Apr73 GC28-6550-11_Dat |
| IBM | GC28-6550-11 OS Data Management for Syst | IBM 360 os R21.7_Apr73 GC28-6550-11_OS_ |
| IBM | GC28-6550-8 System Programmers Guide Rel | IBM 360 os R20.0_Jan71 GC28-6550-8_Syst |
| IBM | GC28-6550-9 OS System Programmers Guide | IBM 360 os R20.1_Mar71 GC28-6550-9_OS_S |
| IBM | GC28-6551-12 OS StorageEstimates R20 Jan | IBM 360 os R20.0_Jan71 GC28-6551-12_OS_ |
| IBM | GC28-6551-12 Storage Estimates Rel 20 Ja | IBM 360 os R20.0_Jan71 GC28-6551-12_Sto |
| IBM | GC28-6551-16 Storage Estimates R21.7 Apr | IBM 360 os R21.7_Apr73 GC28-6551-16_Sto |
| IBM | GC28-6554-12 OS System Generation Rel 21 | IBM 360 os R21.7_Apr73 GC28-6554-12_OS_ |
| IBM | GC28-6554-12 System Generation R21.7 Apr | IBM 360 os R21.7_Apr73 GC28-6554-12_Sys |
| IBM | GC28-6554-13_OS_System_Generation_Releas | IBM 360 os R21.8_Aug74 GC28-6554-13_OS_ |
| IBM | GC28-6586-11 Utilities Rel 19 Jun70 | IBM 360 os R19_Jun70 GC28-6586-11_Utili |
| IBM | GC28-6586-15 OS Utilities Rel 21.7 Apr73 | IBM 360 os R21.7_Apr73 GC28-6586-15_OS_ |
| IBM | GC28-6594-7 PLIf pgGd Jan71 | IBM 360 pli GC28-6594-7_PLIf_pgGd_Jan71 |
| IBM | GC28-6615-3 OS ALGOL Language Rel 21 Jan | IBM 360 algol GC28-6615-3_OS_ALGOL_Lang |
| IBM | GC28-6628-5 System Control Blocks Rel 19 | IBM 360 os R19_Jun70 GC28-6628-5_System |
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| IBM | GC28-6628-9 OS System Ctl Blks R21.7 Apr | IBM 360 os R21.7_Apr73 GC28-6628-9_OS_S |
| IBM | GC28-6631-12 Messages and Codes Rel 21 M | IBM 360 os R21.0_Mar72 GC28-6631-12_Mes |
| IBM | GC28-6631-13 OS 360 R21.7 Messages and C | IBM 360 os R21.7_Apr73 GC28-6631-13_OS_ |
| IBM | GC28-6646-3 Supervisor and Data Manageme | IBM 360 os R19_Jun70 GC28-6646-3_Superv |
| IBM | GC28-6646-5 OS Supervisor Services Rel 2 | IBM 360 os R20.1_Mar71 GC28-6646-5_OS_S |
| IBM | GC28-6646-5 Supervisor Services Rel 20.1 | IBM 360 os R20.1_Mar71 GC28-6646-5_Supe |
| IBM | GC28-6646-6 Supervisor Services and Macr | IBM 360 os R21.0_Mar72 GC28-6646-6_Supe |
| IBM | GC28-6646-7 Supervisor Services and Macr | IBM 360 os R21.7_Apr73 GC28-6646-7_Supe |
| IBM | GC28-6670-3 Programmers Guide to Debuggi | IBM 360 os R19_Jun70 GC28-6670-3_Progra |
| IBM | GC28-6670-4 Programmers Guide to Debuggi | IBM 360 os R20.1_Mar71 GC28-6670-4_Prog |
| IBM | GC28-6670-5 Programmers Guide to Debuggi | IBM 360 os R21.0_Mar72 GC28-6670-5_Prog |
| IBM | GC28-6670-6 OS Debugging Guide Release 2 | IBM 360 os R21.7_Apr73 GC28-6670-6_OS_D |
| IBM | GC28-6680-5 OS Tape Labels R21.7 Apr74 | IBM 360 os R21.7_Apr73 GC28-6680-5_OS_T |
| IBM | GC28-6680-5 OS Tape Labels Rel 21 Apr73 | IBM 360 os R21.0_Mar72 GC28-6680-5_OS_T |
| IBM | GC28-6691-2 Operators Reference Rel 20.1 | IBM 360 os R20.1_Mar71 GC28-6691-2_Oper |
| IBM | GC28-6691-3 OS Operator Reference Releas | IBM 360 os R21.0_Mar72 GC28-6691-3_OS_O |
| IBM | GC28-6692-2 OS Operator Procedures Relea | IBM 360 os R21.0_Mar72 GC28-6692-2_OS_O |
| IBM | GC28-6698-3 TSO Option Guide Rel 20.1 Ju | IBM 360 os R20.1_Mar71 GC28-6698-3_TSO_ |