Crossword clues for the word: PLESSYVFERGUSON The word PLESSYVFERGUSON has appeared as an answer to at least 2 crossword clues on different crossword puzzles. Crossword clues for PLESSYVFERGUSON Showing 1 to 2 of 2 results Clue(s) 1896 Supreme Court case that established the 'separate but equal' doctrine Court separate but equal doctrine: 1896