Black male singing groups of the 50's?

Spaniels, Dubs, Pentagons, Ojays, Mad Lads, Flamingos, DELLs, Shep and the Limelites, Manhattans, Jive 5, Dreamlovers, Miracles, Moonglows, Paragons, Students, Little Anthony and the Imperials, Drifters, Impressions, Larks, Temptations, Channels, Chi Lites, Heartbeats, Ebonaires,