There is a total of 24830 clues beginning with su
- Subject of Robert Sherwood play
 - Subject of Rodin sculpture
 - Subject of Rosalind Franklin's X-ray images
 - Subject of Rostand's play "The Eaglet"
 - Subject of Ruth Montgomery's biography "A Gift of Prophecy"
 - Subject of sailors' knowledge
 - Subject of Saint-Gaudens statue, at entrance to Central Park
 - Subject of Saint-Gaudens statue
 - Subject of SALT
 - Subject of SALT sessions
 - Subject of SALT talks
 - Subject of Samuel Beckett play
 - Subject of Schiller tragedy
 - Subject of Schweitzer biography
 - Subject of scientific mapping
 - Subject of scientific research
 - Subject of scrutiny by calendar experts
 - Subject of search engine optimization
 - Subject of semiotics
 - Subject of SETI space scans
 - Subject of several "River Monsters" episodes
 - Subject of several Georges Seurat paintings
 - Subject of several Hogarth paintings
 - Subject of several Spanish statues
 - Subject of Seward's Folly
 - Subject of Shakespeare's line "Come, thou mortal wretch"
 - Subject of Shakespearean trilogy
 - Subject of Shelley lyric
 - Subject of Shelley's "Adonais"
 - Subject of Sherman's famous remark
 - Subject of sightings, familiarly
 - Subject of Sir John Hunt's book
 - Subject of Sir John Tenniel's art
 - Subject of Smyth report
 - Subject of some "management" courses
 - Subject of some '50s-'60s experiments
 - Subject of some 1960s CIA research
 - Subject of some 2015 border control measures
 - Subject of some ADA regulations
 - Subject of some amateur videos
 - Subject of some animal kingdom rituals
 - Subject of some bargaining
 - Subject of some biomedical research
 - Subject of some business agreements
 - Subject of some celebrity sightings
 - Subject of some checkers
 - Subject of some codes
 - Subject of some computer settings
 - Subject of some confessions
 - Subject of some conspiracy theories
 - Subject of some controversial research
 - Subject of some dictionaries
 - Subject of some engineering
 - Subject of some Facebook notifications
 - Subject of some FCC regulations
 - Subject of some gossip
 - Subject of some infomercials
 - Subject of some insurance claims
 - Subject of some international agreements
 - Subject of some jury deliberations
 - Subject of some limits
 - Subject of some magazines
 - Subject of some medical research … or a description of this puzzle's theme?
 - Subject of some modern maps
 - Subject of some money scandals
 - Subject of some nature films
 - Subject of some notes sent home to parents by the school nurse
 - Subject of some of 32-Down's writings
 - Subject of some parental restrictions
 - Subject of some PC Magazine reviews
 - Subject of some philosophical inquiry
 - Subject of some prayers
 - Subject of some prep classes
 - Subject of some random acts
 - Subject of some roasts
 - Subject of some searches
 - Subject of some September sports reporting
 - Subject of some Sicilian postcards
 - Subject of some sightings
 - Subject of some splicing
 - Subject of some still lifes
 - Subject of some tables
 - Subject of some talks
 - Subject of some teen gossip sessions
 - Subject of some tests
 - Subject of some Thomas Moore poetry
 - Subject of some treaties
 - Subject of some watches
 - Subject of some weather advisories
 - Subject of some Wikileaks leaks
 - Subject of some William Blake's poems
 - Subject of some youth sports fraud
 - Subject of sommeliers' argument?
 - Subject of song in "South Pacific"
 - Subject of Sophocles
 - Subject of Sousa march
 - Subject of Sousa piece
 - Subject of Southey biography
 - Subject of Spanish love song
 - Subject of speech in "Hamlet"