You’re sticking with infinitism!
Infinitism was perhaps held by some ancient Greek philosophers, but has received its most sustained defense in the work of contemporary epistemologist Peter Klein. The main challenge it faces is to make sense of the idea that an infinite regress of justification can be benign.
For a more complete guide to this topic, you might consult the following entries from the Stanford Encyclopedia of Philosophy:
“Foundationalist Theories of Epistemic Justification”, by Richard Fumerton (http://plato.stanford.edu/entries/justep-foundational/)
“Coherentist Theories of Epistemic Justification”, by Erik Olsson (http://plato.stanford.edu/entries/justep-coherence/)
Also recommended are the following entries from the Internet Encyclopedia of Philosophy:
“Foundationalism”, by Ted Poston (http://www.iep.utm.edu/found-ep/)
“Coherentism in Epistemology”, by Peter Murphy (http://www.iep.utm.edu/coherent/)
“Infinitism in Epistemology”, by Peter Klein and John Turri (http://www.iep.utm.edu/inf-epis/)
At Southampton, we run various modules that address these and similar issues, including Knowledge and Mind, Epistemology, Scepticism, and The Ethics of Belief. Many of our staff undertake research in this and related areas of epistemology, such as Dr. Kurt Sylvan, Dr. Genia Schönbaumsfeld, and Dr. Conor McHugh.