Meditation suttas generally can be found in MN and certain samyuttas in SN. I would like to suggest that you read on satipatthanasamyutta first.
kb
Patrick Hall wrote thus at 08:19 AM 20-02-09:
>Hello friends,
>
>I've only just begun my studies of Pali, and looking at the size of
>the canon is rather overwhelming, millions of words of text. I'm
>simultaneously learning about Buddhism, but I've been practicing
>meditation for some time now.
>
>I'm interested in trying to read some original Pali about meditation,
>but I really have no idea how our where to find them among the thicket
>of text.
>
>Is there a section of the canon which is most focused on approaching
>meditation?
>
>I realize that it may be hard to interpret the Pali texts as a
>"how-to" guide (to get started I'm relying on a lot of works in
>English as well as dhamma talks), but I'm motivated to try to
>investigate some of the texts.
>
>Any suggestions?
>
>With metta,
>Pat
>
>PS. I'm relying on the Unicode-encoded version of the canon from
>http://www.buddhistethics.org/palicanon.html .