Who among the following was a famous anglo-saxon historian? edward the confessor william the conqueror geoffrey chaucer venerable bede

  this riddles' answer is library.

  the "leaves" are a reference to the books' pages that the library contains; the branches are a network of libraries that connect multiple libraries' collections, resources, and items in a system of a common database, integrating them; the branches' organization are a useful management tool for coordinating the multiple collections many libraries have.

the sentences are -

it was all just as it was in the law courts. the doctor put on just the same air towards him as he himself put on towards an accused person.