Overview No.1: SPROGS Project Meeting No.2: Concerning the possible enhancements to the PDP15 No.3: SPROGS Note 3 No.4: Matters arising from meetings held on 12 July and 19 July, 1972 No.5: Issues in the SPROGS definition No.6: Further points on text handling in SPROGS No.7: Update No.8: Notes on SPROGS paper no. 21 No.9: The use of variables No.10: More about Index Variables No.11: Some useful display routines No.12: Variables No.13: Updating the SPROGS System No.14: SPROGS update No.15: SPROGS Macro Enhancements No.16: New proposed Macro Specification No.17: Notes on PDP15 Local User Group Meeting held in London on 20 February 1973 No.18: Implementation of THICK and WHILE No.19: Sequence List Details and Data Node No.20: SPROGS update No.21: Update No.22: Update No.23: Update No.24: Update: Local priority, Data mode on 1906A No.25: Garbage Collection, REPEAT, ENDS, RUNOUT, ADVFLM No.26: Update No.27: Notes on PDP15 LUG Meeting on RSX-3 No.28: TASK and Spooling No.29: Generation of Font Libraries No.30: PDP15 and 1906A update No.31: Notes of a meeting held with DEC to discuss problems with RSX No.33: Some points from DECUS 1974 No.34: Notes on Graphics Meeting on 3 October 1974