As for the Hong Kong Central Library, which is open to non-Hong Kong people, you only need to apply for a library card. The methods are as follows;
Residents who are not in the Hong Kong Special Administrative Region, such as tourists visiting Hong Kong, may apply for temporary library cards through the following channels:
Fill in and submit the library card application form in person at any Hong Kong public library;
The applicant must fill in the guarantee column in the form and be a permanent resident of the Hong Kong Special Administrative Region;
The applicant shall also submit the following documents for verification:
Their travel documents;
Original or photocopy of the applicant's Hong Kong identity card and Hong Kong residence permit.
In the museum, according to the copyright law, only limited copying is allowed. A4-sized photocopies cost fifty cents per page.