The file consists of general correspondence. Included is personal correspondence and correspondence/literature pertaining to Katz's involvement with various Zionistic, religious and philanthropic organizations. Included are: thank you notes; New Year's cards, Christmas cards; business cards; a letter from Moshe Yechiel Epstein;a letter from Rabbi Y. Twersky; request for donations (N Nachmanovitz, Mount Zion Committee; receipts for donations(e.g. Yeshivas Ch'san Sofer, United Tiberias Institutions, Jewish Home for the Aged, T.T. Yeshivath Haye Olam); a photo of Hilda T. Graubart; get well cards; personal jottings; a list of tobacco jobbers in Toronto; tourist booklet published by the Department of Religion in Israel; 3 letters from Rabbi Menashe Klein; invitation to a dinner sponsored by Tomche Tmimim Lubavitch Rabbinical College; invitation to a luncheon to meet Mr Samuel Bronfman; an invitation to a reception sponsored by Canadian Federation to Aid Polish Jews in Israel; receipts for telegrams; a poster from the Central Fund for Traditional Institutions; blank cheques from the Toronto Dominion Bank; a list of expenses toward the care of Katz's illness and blank receipts for the Associated Hebrew Schools of Toronto.