363848
Former Services References Bibliography " Forgotten Railways , The East Midlands " by P Howard Anderson ( David & Charles , 1973 ) ISBN 0 71536094 9 " British Railways Pre-Grouping Atlas & Gazetteer " ( pub Ian Allan 1958 , reprinted many times ) ISBN 0 7110 0320 3 " The end of Passenger Services on the Mansfield Railway " by J. Cupit , Trains Illustrated , February 1956 pp .
 Railways, Railways, Mansfield
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Railways, Railways, Mansfield