County Durham | Orange County | County Cork | St. Louis County, Minnesota | County Galway | County Mayo | county | Montgomery County | Los Angeles County Museum of Art | Lancashire County Cricket Club | Westchester County, New York | Nassau County, New York | County Antrim | Rockland County, New York | County Down | Washington County | Hillsborough County | Derby County F.C. | County Meath | County Donegal | Erie County, New York | County Tyrone | County Tipperary | County Louth | County Armagh | Wayne County, Michigan | Somerset County Cricket Club | Los Angeles County | Jefferson County | Glamorgan County Cricket Club |
Eckert designed Professor Curman's villa on Stockholm's Floragatan (1880), the Royal Stables of Stockholm (1895), Antuna Gård mansion in Upplands Väsby, the YWCA building in Stockholm (designed in 1905) and the new church in Krokek in Östergötland County (1895-1896), as well as contributing to numerous church restorations.