Listed below are SAP standard tables in Project System Module - Part 2:
TCNP–>Project Info System: Grouping Criteria
TCNPT–>Text for Grouping Criteria in Project Info System
TCNS–>Project Info System: Sort Criteria
TCNST–>Texts for Sort Criteria in Project Info System
TCNT–>Project Information System: PS Info Profile
TCNTT–>Texts for Overall Profile in Project Info System
TCNU–>Project Information System: Unit Conversion
TCNUT–>Texts for Project Information System [...]

Listed below are SAP standard tables in Project System Module - Part 1:
ADRAD–>Document-object link
AFAB–>Network - Relationships
AFRV–>Pool of confirmations
COSPP–>Transfer of the Order in the COSP Table to the Project
COSSP–>Transfer of the Order COSS Table to the Project
LFINF–>Delivery information Project System
LFINFX–>Assignment delivery information to Project System objects
MLST–>Milestone
MLTX–>Milestone Description
MSET–>Standard milestone set
NHPROJ–>Number history - Project definition
NHPRPS–>Number history for reorganization [...]