You can combine more than one field in Advanced Search: Place = Bradford + Search Terms = Businesses. Enclose phrases (more than one word) in quotes: Description = "Merrimack Street" and Search Terms = Restaurants.
Object Name: "Print, Photographic"; Carte-de-visite; "Photograph, Cabinet"; "Transparency, Lantern Slide"; "Negative, Sheet Film"; "Negative, Roll Film"; "Transparency, Slide"; "Negative, Glass Plate" are various Photo object names. Manuscript, Map, Scrapbook, Brochure, and "Clipping, Newspaper" are used for Archives.
People and Creators: In these fields the format is Last name, First name or initial; enclose in quotes: "Whittier, John Greenleaf", or just Whittier for all records with people with that name. Also corporate or institution names with Library of Congress authority records. For example, searching Carleton in the People field will bring up any records associated with a member of the Carleton family, without having to sift through records with Carleton Avenue, Square or Street.
Place: Format is Haverhill or “Haverhill, MA”. Format is Town, State (2 letter abbreviation); or “Haverhill, England” for other countries.
Date: Many records are Undated. You can use an asterisk wildcard: 18* for nineteenth century, or 197* for the 1970s. This field does not allow date ranges.
Search Terms: Use First name Last name format, enclose in quotes, example: "George W. W. Bartlett"; Frank AND Smith will bring up Frank H. Smith, if you are unsure if the middle initial is used. Use the Search Terms field for natural language keywords, Description to search the entire Description text field.
Subject: We use mostly plural terms, Libraries instead of Library, following Library of Congress Subject Headings.
Description: Searches the entire Description field. Quotes around phrases will return exactly that phrase. "Haverhill High School" AND Football will return Haverhill High School football images. For Undated images, you can try 19th or 20th as Description terms for nineteenth or twentieth century images.