Martin Carthy includes "Lord Franklin" in his little songbook "Martin Carthy - a Life in Folk Music", published by New Punchbowl Music back in 1987.

He doesn't actually give tablature - just says "Hints for accompaniment: Use a continuous clawhammer style. This involves picking with an alternating bass with your thumb on the main beats, and filling in with notes picked by your fingers across the treble strings" - and he used standard tuning, playing in G.