Yma Sumac (1922–2008) should be in Pavlov's Guide to Crosswords . 6d Sande {Earl ___, 1930 Triple Crown-winning jockey}. Earl Sande (1898–1968) was an American Hall of Fame jockey and thoroughbred horse trainer. 10d Asia {Polo setting}. Reference to Marco Polo . 44d triune {Like Brahma, Vishnu and Shiva}. triune is another term