Another file -
http://yogysoft.de/pawel/_kursk/units_pdf/ZG1.pdf
Information on I./Z.G. 1 is somewhat limited, claimfilm (not included in the file) and loss reports, three logbooks. I've also got a lot of NVMs for I. and II./1 from 1941 to 1944 but ironically only one sheet for July 1943 and nothing for August.