The best resource to read, for those academically inclined, on the subject of miracles in the two volume monograph by Craig Keener entitled 'Miracles'. These can be picked up for about £20 from Amazon and would of interest in particular to those who wonder about the credibility of New Testament or contemporary accounts of Healing or who want to strengthen their faith or apologetics in this. Obviously a two volume work like this is not for everyone. Fear Not! As some of his teaching and research is available online for free. See here, and an interview available here. See also, here.
Here is a blog post summarizing some recent research into the medical evidence supporting Heidi Baker's ministry and the journal article itself entitled 'Study of the Therapeutic Effects of Proximal Intercessory Prayer (STEPP) on Auditory and Visual Impairments in Rural Mozambique'.
Although some of the miracle videos on YouTube are fraudulent and care needs to be taken. The following videos I find particularly interesting... A lady healed from over 20 years of paralysis, here, and a boy healed from 80% deafness, here.
Some of Jon Swales' own teaching on the Kingdom of God and inaugurated (now-not yet) eschatology can be found here. These are degree level and have a particular focus on the synoptic and the historical Jesus.