"have a wealth of information" is correct and usable in written English. You can use this phrase to refer to someone who has a lot of knowledge or who has many sources of information. For example: "With so many years of experience in the field, he has a wealth of information about the industry.".
Charities often have a wealth of information that never sees the light of day.
Both have a wealth of information under their belts and enable a user to decide what to share and where.
It is the first period for which we have a wealth of information on the private lives of monarchs.
However, we do have a wealth of information from three later stoics of the 1st and 2nd centuries AD.
For the time being, ECHA and the national authorities have a wealth of data and information on the individual substances which should be used first of all.
The Office for National Statistics ONSS) has a wealth of information, added Mooney.
The site also has a wealth of information about SETI's work and links to similar sites.
Thanks to Ludwig my first paper got accepted! The editor wrote me that my manuscript was well-written
Listya Utami K.
PhD Student in Biology, Bandung Institute of Technology, Indonesia