- Search terms are case-insensitive
- Common words are ignored
- By default only entries containing all terms in the query are returned (i.e., AND is implied)
- Combine multiple words with OR to find articles containing either term; e.g., education OR research
- Use parentheses to create more complex queries; e.g., archive ((journal OR conference) NOT theses)
- Search for an exact phrase by putting it in quotes; e.g., "open access publishing"
- Exclude a word by prefixing it with - or NOT; e.g. online -politics or online NOT politics
- Use * in a term as a wildcard to match any sequence of characters; e.g., soci* morality would match documents containing "sociological" or "societal"
Child and man with umbrella in wooded area.
Unidentified child and woman in garden
Street with row houses in unidentified urban setting.
Leonard Donner standing with woman holding umbrella near a body of water.
Room interior. Painting on easel.
Men repairing equipment at the Mill.
Pacific. Road to gate.
Row of houses in West Philadelphia
Street scene, unidentified
Christopher Donner in front of Yemassee Depot Building
Desk within room interior, probably the home of Christopher and Pauline Donner in...
White Asparagus bundled for shipping
Man carrying basket
Where did it go?
Men gathering corn stalks
Two women and a dog beside luggage trolley near train tracks
Waiting for the train
Children playing in water on a rocky shore
Conrad Donner (?)
Unidentified man with mustaches