Crossword clues for __ 51 4 letters:ANONAuthor of the quip at 20-, 37-, 51-, 66-, 20-, 37-, and 51-AcrossLILIWoman's name that looks like Roman numerals for 51 + 51ARAB51-Down residentGOODWith 51 Across, comics cryAREANevada's __ 51JOHNWith 51-Down, chief congressional advocate (who died 7/4/1826) of 5- and 9-DownEARLNoble title hidden in 18-, 24-, 37-, 51-, and 58-AcrossMLLEFrench 51-Across: Abbr.UFOSSightings near Area 51ACNE51 Down's woe, oftenAREA__ 51, supposed Nevada UFO cover-up siteABITMore than 51-DownUFOSArea 51 phenomenaAREA__ 51AREA___ 51 (Nevada military base)PACEConcern for 51 DownBELAMan's name that's an anagram of a son of 51-AcrossHANKHe broke 51-Across's most well-known career recordROLEAnn Darrow, for 51-DownUFOSArea 51 sightingsEVENSee 51-DownRECUReceipt in 51 DownHIGHWord that can precede the first word of 17-, 19-, 36-, 51- and 57-AcrossACEDDidn't just 51-DownAREA___ 51 (Nevada base and subject of many conspiracy theories)NINAWith 51-Down, maker of L'Air du Temps perfumeAREA___ 51 (topic Hillary Clinton vowed to release classified files on, if elected)MIDIIt covers the 51-DownSHES{/___ Gotta Have It/} (51-Across film set in Fort Greene, Brooklyn)SALESee 51-DownLAHRBert who played an inhabitant of the 51 Across in filmSEAMSee 51-DownARTSPart of 51-DownMISSSee 51-DownATMESee 51-DownASSTPart of 51-DownAREA___ 51 (supposed military hiding place for UFOs)MOST51% plusAREANevada's ___ 51AREA___ 51NEWSWhat's spread in 17-, 25-, 32-, 45-, 51-, and 64-AcrossTINYAdjective for 51-DownRBIS51-Down's 1,667ETUNZone cinquante-___ (what the French call Area 51)TONYWith 51-Across, skating icon who landed a 900 on a vert ramp in 1999EIREWord next to a harp on some 51-AcrossCOINSee 51-DownMARE51-Down producerASPSOne of these lurks in 20-, 30-, 41- and 51-AcrossSSRSEst. and Lith., for 51 years