Margaret Blake-Alverson (1836- 1923) was born in Illinois and moved to Stockton in 1851. She began her career singing in churches, then sang in operas, and finally gave voice lessons for some 40 years to over 1,000 pupils. Her autobiography, entitled Sixty Years of California Song, was published in 1913. Это и многое другое вы найдете в книге Sixty Years of California Song (Illustrated Edition) (Dodo Press) (Margaret Blake-Alverson)