NTRS would be the best place to start I think. https://ntrs.nasa.gov/ https://ntrs.nasa.gov/ This query should give you articles that NASA themselves have tag

NTRS would be the best place to start I think. https://ntrs.nasa.gov/ https://ntrs.nasa.gov/ This query should give you articles that NASA themselves have tagged as related to skylab: https://ntrs.nasa.gov/search.jsp?Ntx=mode%20matchall&Ntk=Subject-Terms&N=0&No=0&Ntt="SKYLAB%20PROGRAM" https://ntrs.nasa.gov/search.jsp?Ntx=mode%20matchall&Ntk=Sub...