For an overview of the membership plan see IMSLP:Membership Q&A.
For more information on the reasons behind this change, see this announcement on the IMSLP Forums.
Please note that some newly-uploaded scores may only be available after a day or two to non-subscribers.
A study of this composer was published in 1970 by Schott, Ignaz Fränzl: ein Beitrag zur Musikgeschichte der Stadt Mannheim, written by Roland Würtz - may contain useful information. Eric 20:12, 19 November 2011 (UTC)