Can I perform a search inside a book?

Yes you can! To search inside a book in BHL, navigate to the top right corner of the book viewer, select the Search Inside tab and enter your search terms. In that same panel, results will display the pages where your search terms are found, along with snippets of the surrounding text. Navigate to any … Read more

How do I create a bibliography of scientific names?

You can generate a bibliography for a scientific name by either searching for a name (see instructions) or using the following URL structure: Where Scientific_name is any uninomial, binomial, or trinomial. Replace spaces with the underscore ( _ )character. Examples: (Orchid family) (Great white shark) (Great Cormorant) Bibliographies use the canonical … Read more

How do I search for scientific names in BHL?

You can search for a scientific name starting from either the general search bar or advanced search page. If you are starting from General Search… Enter a taxonomic name into the general search box: Select the Scientific Names tab from the results screen: If you are starting from Advanced Search… Select the Scientific Names tab to search … Read more

How are search results ranked?

ElasticSearch examines multiple fields (i.e., title, keywords, and full OCR text) and assigns a relevancy score based on: The number of times a term appears in the field The length of the field How often that term appears If a field is short, like the title, then a term appearing in that field is weighted … Read more

How does full text search work?

BHL’s full text search functionality uses the ElasticSearch engine to try and find your search term(s) within: — the bibliographic metadata about the items in BHL’s collection and — the Optical Character Recognized (OCR) text from digitized page images. Learn more about OCR and how BHL uses it. Tags: technical development, user interface, search inside