Developing Historical Costume Making Skills

As part of my professional studies module I need to write a report, for this I have decided to investigate into the opportunities available to develop historical costume making skills, my area of interest.
So far I have found a range of courses:
-Chalemie School of Costume provides a costume course that includes both making and design in the 17th and the 18th century. This is a six day course that take place during the Easter holidays.
Visit their website at:
http://chalemie.co.uk/SSCostume.htm
-School Of Historical Dress provides a range of courses into different aspects of historical costume making including construction of men's and women's clothing, hat making, pattern drafting, fabric and embroidery.
Visit their website at:
http://theschoolofhistoricaldress.org.uk
-Fabrication Crafts provides classes in between 1st June and the 20th August. They provide 2 to 4 day classes on dress making and structured undergarment making.
Visit their website at:
www.fabric-ation.co.uk/historical.html
-Historical Sewing provides a range of online classes. They teach skills through videos, pdf and photos. They also have a private chat for any questions. The classes are between 4-6 week. They provide classes in bonnet, corset and dress making.
Visit their website at:
http://historicalsewing.com/classes/late-edwardian-corset-class
-Exetersewing provides a two day corset class
Visit their website at:
http://www.exetersewing.co.uk/corseteryclass.html
-The Northern College of Costume provides a costume course- this is a 15 week course that results in a 6 week work placement at a range of theatres and opera houses across the country. Time is dedicated to the creation of a portfolio that can be used for jobs applications. Trips to museums and suppliers are also organised. This course dates between 25th January to 7th May 2016 and 11th July to 22th October 2016.
Visit their website at:
http://www.northerncollegeofcostume.co.uk/
-Morley College provide courses in corset making (full scale) and bustle, crinoline, panier, farthingale (1/2 scale). Dates ranging in between January and July.
Visit their website at:
http://www.morleycollege.ac.uk/courses/833-costume-masterclass-hoops-crinolines-and-bustles/1261
-Arts University Bournemouth this provides summer course in costumes from the early 19th century for 3 weeks. They arrange a trip to London and Bath. This course explores decoration, dresses and accessories.
Visit their website at:
http://aub.ac.uk/courses/summer-courses/costume-summer/