Letter from Isaac Leeser to Rosa Mordecai;July 29, 1860 This letter from Isaac Leeser to Rosa Mordecai was written in Philadelphia on July 29, 1860. Leeser describes his recent illness and recovery, mentioning that he is still suffering from the consequences of an accident. He discusses visitors, his household staff, and his writing difficulties. The letter shows concern for the recipient's wellbeing and expresses gratitude for her inquiries.