And what I mean is your are making assumptions about my motives that you likely wouldn t make otherwise Believe it or not I did not predetermine I was going to discuss cocaine if I didn t find anything I considered a secondary source I wouldn t have written anything I don t think it is helpful to make guesses about my motives or what I would do elsewhere Moving on Thank you for providing this new source that was very helpful of you I will post a suggested revision using it tomorrow How did you find the source my method of tracking down secondary sources look at citing papers at random is not very efficient and I haven t found a good way to do searches on any of the academic paper databases I have access to in order to find sources directly