- Search terms separated by AND or blanks direct the search for all terms, e.g., Festival Joy; Festival AND Joy.
- Search terms separated by OR direct the search to at least one of the terms, e.g., memorial ceremony OR liberation ceremony
- Search terms in double quotation marks (“) direct the search to the exact phrase as quoted, e.g., "Never again"
- Search terms with a leading minus sign exclude search results, e.g., "Liberation Ceremony -Mauthausen".
- language:de searches only the German language section; language:en searches only the English language section.