Allow artists to be categorised.
Artists WILSON, Frank AvrayWADSWORTH, FredaTRYGGVADOTTIR, NinaTIRR, WillyTHALL, VictorSULLY, FrankSTURGESS-LIEF, ChristopherSTEELE, ElvicSPENDER, HumphreySORENSEN, BentSMITH, JackSEXTON, Hilda BenjaminSCHMIDT, PeterSchettini, UlricoRICHIER, GermainePASOTTI, RobertoORGAN, BryanMOYSE, ArthurMORRIS, MaliMILLINGTON-DRAKE, TeddyMENDEZ, TheoMELVILLE, JohnMAYERSON, AnnaLYSAGHT, AverilLOWE, JimLINDNER, DorleLANZI, FrancoisJONES, JoJADUNATH, AnthonyHENRIQUES, RoseHAWORTH, JannGUIREY, SylviaGRAINGER, EstherGEORGE, LenaEVANS, HandelENGLISH, MonicaDRECKI, ZbigniewDONOVAN, TerenceDE CARO, AnitaDAVIDSSON, KristjanDAGHANI, ArnoldCLOUGH, PeterCHRISTOFOROU, JohnCHAPMAN, MaxCERVELLI, EnricoBRATBY, JohnBOWEN, DenisBLAKESTON, OswellBEVES, PamelaBEOTHY, EtienneBELLWOOD, ShirleyBEANLAND, FrankALCOPLEYAEPPLI, Eva
