I would like to recommend 4 books. Acts Today, Signs and Wonders of the Holy Spirit by Ralph Harris provides many verified accounts of healings, Xenoglossolalia, divine provision and other supernatural occurrences. Also God's Generals by Roberts Liardon includes the biographies of Smith Wigglesworth, Maria Woodworth-Etter, John G. Lake, William Branham, Katheryn Kuhlman and several others. Only Believe by Don Stewart includes many accounts of supernatural occurrences in various Christian ministries. Lastly Azusa Street:They Told Me Their Stories by Tonmmy Welchel includes many accounts of healings and other phenomena which occurred at Azusa Street. These books should be readily available on Amazon.com, Christian Book Distributors or the like at least in the US and Canada and hopefully elsewhere as well.