The Bronx Board has a nostalgic series of narratives about life in the Bronx "back in the day." It also has photos, b/w and color, of Bronx people and places of the past. Very helpful as I try to reconstruct the world that my grandparents lived in and what it felt like to be a Bronxite early in the 20th century.
2022 update: I've been browsing the Bronx County Historical Society website for additional insights and historical context.