>>4863621I mainly use this one by CG cookie, it's not great or finished but it does show you what loops you should probably have
https://youtu.be/oa9ZRyBFcCgI usually watch that one to remind me of the edge loops I need & then compare it to other people's models to make sure my topology is good
but I think the CG cookie tut gives you too much unnecessary detail on the model so for a more simplified tutorial I think this might be better:
https://www.youtube.com/playlist?list=PL2EEbgwoJzdt5kFVDyY2lliNqf7cWJeD3>Do you have a final design in mind?not really, I don't have a good reference sheet I just have pic related to go on