The Kaiser Library has more than sixty thousand books, documents, periodicals and manuscripts. This Library is richest in the collection of rare books, manuscripts, paintings, photographs, animals’ heads etc. This library, therefore is considered the best library in the country in terms of historical and archeological point of view. Entire collections are separated into three divisions:
The Kaiser Collection covers a wide range of subjects- game hunting, gardening, traveling, astronomy, religion, history, philosophy, reference books, medicine, English, Hindi and Sanskrit literature, military strategy etc. All these books are kept in lines inside the metal cupboards on the ground floor and first floor. Similarly, it has valuable manuscripts and one thousand years old manuscript entitled “ Sahottar Tantra”, which is the most ancient work of the latest Lichhabi era.
Similarly, books in puran, Veda, Upanishada, Ramayana, Mahabharata, Geeta, Tantra, are in Sanskrit script.
The books are classified by Dewey decimal classification (DDC). The collections are comprised in Koha Library Automation Software.
The Nepal German manuscript cataloguing project(NGMCP) has recently digitized all the manuscripts available in Kaiser Library.
Heads of different types of wild animals have been framed of the walls with the use of chemicals so that they do not decay.
The pictures of poets, writers and philosophers are its other features. The well decorated ceilings refer to the ancient art and sculpture. The pictures of battle scenes & weapons have their own attraction inside the library premises.
In the same way different artistic pictures of Rana period game-hunting and beautiful full sized colored pictioure of late Rana Maharajas are also framed of the walls. Similarly, the taxidermies figures of lions, tigers, bisons, deer, and other wild animals have enriched the uniqueness, glamour and beauty of the library.