{
    "facets": [ 
        {
            "field": "subject",
            "terms": { 
                "libraries": 3,
                "advertisements": 1,
                "architectural photographs: berry brothers": 1,
                "buildings: carnegie libraries": 1,
                "collotypes": 1,
                "detroit public library": 1,
                "hand-colored": 1,
                "michigan": 1,
                "postcards: public libraries": 1,
                "public relations": 1,
                "washington, d.c.": 1,
                "library of congress": 1,
                "photocrom prints": 1,
                "library of congress thomas jefferson building": 1,
                "brick buildings, galleries & museums": 1,
                "storage, philanthropy": 1,
                "carnegie library": 1,
                "stone buildings (sandstone)": 1,
                "storage": 1,
                "reading": 1,
                "chicago": 1,
                "color": 1,
                "education": 1,
                "illinois": 1,
                "posters": 1,
                "screen prints": 1,
                "america": 1,
                "digital photographs": 1,
                "kensington": 1
            }
        },
        {
            "field": "creator",
            "terms": { 
                "gilbert, cass, 1859-1934, architect.": 1,
                "detroit photographic co.": 1,
                "historic american buildings survey, creator": 1,
                "bennet, j. h.": 1,
                "vandenbur, h. j.": 1,
                "new york hardware company": 1,
                "lillie, f. b.": 1,
                "wenner, fred l.": 1,
                "frantz, frank": 1,
                "haskell, charles n.": 1,
                "gryb, barry r., field team": 1,
                "haggard, john c., project manager": 1,
                "barrett, william edmund, photographer": 1,
                "hnedak, john d., historian": 1,
                "robbins, john c., delineator": 1,
                "smith, julian, delineator": 1,
                "oklahoma historical society, sponsor": 1,
                "federal art project, sponsor.": 1,
                "highsmith, carol m., 1946-, photographer": 1
            }
        },
        {
            "field": "format",
            "terms": { 
                "image/jpeg": 5
            }
        }
        
    ]
}