Fonds consists of slides focusing on the architecture of Peel County, but including images from elsewhere in the province. While Beck was a resident of northern Chinguacousy Township, now part of the Town of Caledon, her images skew to downtown Brampton. Building types include houses, cabins, churches, schools, train stations, theatres, and mail boxes.

Photographs were taken in all of Peel's townships.

Beck's photos of residences in Brampton include structures on Alexander Street, Centre Street, Church Street, David Street, Elizabeth Street, Ellen Street, John Street, Joseph Street, Isabella Street, Lynch Street, Malvern Court, Main Street North, Maple Street, Market Street, Mill Street, Nelson Street, Rosedale Street, Thomas Street, Queen Street, Vodden Street, Wellington Street.

• File 1: Barns
• File 2: Bolton
• File 3: Brampton Main St. N.
• File 4: Brampton - Nelson St.
• File 5: Brampton - Northeast
• File 6-7: Brampton - Northwest
• File 8: Brampton - Oakville
• File 9-10: Brampton - Queen Street
• File 11: Brampton - Southeast
• File 12: Brampton - Southwest
• File 13-15: Cemeteries
• File 16: Chinguacousy Township
• File 17-22: Churches
• File 23: "E" - Township [Bruce County, Halton County, Simcoe County, Wellington County]
• File 24: Farms - Summer
• File 25: Gravestones
• File 26: Inglewood
• File 27: Log Cabins
• File 28: Mailboxes
• File 29: Main Street South, Brampton
• File 30: Metal Tombstones Family
• File 31: Mississauga
• File 32: Mississauga (Toronto Township)
• File 33: Mono Township
• File 34: Schools - Chinguacousy Township
• File 35: Schools - Other
• File 36: Stations
• File 37: Unsorted
• File 38: Schools - possibly Chinguacousy Township

Ontario locations outside of Peel appear in a variety of files. Known villages and townships include Acton, Arthur, Balsam Lake, Beeton, Belwood, Blue Mountain, Chesley, Clarksburg, Collingwood, Collingwood Township, Egremont Township, Elmwood, Eramosa Township, Erin Township, Essa Township, Glen Williams, Goderich, Grand Valley, Grey County, Guelph, Hamilton, Harriston, Hillsburg, Hope Township, Hornings Mills, King City, Lavender, Lloydtown, Maple, Markdale, Meaford, Melancthon, Milton, Mono Township, Mount Forest, Mulmur Township, Nassagaweya Township, Nelson Township, Neustad, Niagara-on-the-Lake, Norval, Oakville, Orangeville, Orillia, Ospringe, Paisley, Palmyra, Perrytown, Port Perry, Relessey, Stratford, Swinton Park, Toronto, Trafalgar Township, Uptergrove, Uxbridge Township, Weston, West Montrose, Whitfield, and Woodbridge.