Sometimes you will need to look up words or get some basic information before you are able to fully understand the articles you are reading in scientific journals. Using these encyclopedias and dictionaries can help to get your research started.
TRIPOD is the library collection of Bryn Mawr, Haverford & Swarthmore. You can search both articles and books at the same time, or just search BOOKS.
QB is where the Astronomy books are shelved in the library. QC is where the Physics books are. And if you find a '+' in the call number, that means it is OVERSIZED (too big to fit on regular bookshelves), and is shelved at the end of the alphabet in the ranges upstairs by the study tables.