This paper is a good resource for the technical details https://support.sas.com/resources/papers/proceedings11/351-2011.pdf   The challenge will be deciding what you want to compare to what, which is context-specific and thus falls to you, the researcher.   If your intent is to compare each of 36 treatment means to each of two control means, then you could consider mean comparisons controlled for Type I error using the Dunnett method, possibly with additional adjustment due to having two controls rather than one.   Good luck! ... View more