Thank you very much to the following websites:

https://en.wikipedia.org/wiki/Speed_skating (Jan 17,18,20 2016)

https://en.wikipedia.org/wiki/Winter_Olympic_Games#List_of_Winter_Olympic_Games (Jan 21 2016)

https://en.wikipedia.org/wiki/Speed_skating_at_the_1924_Winter_Olympics (Jan 23 2016)

https://en.wikipedia.org/wiki/Speed_skating_at_the_1976_Winter_Olympics (Jan 23 2016)

http://www.speedskating.ca/events/results-ranking-and-records/event-records (Jan 25 2016)

https://en.wikipedia.org/wiki/List_of_world_records_in_speed_skating (Jan 25 2016)

https://www.ted.com/talks/david_epstein_are_athletes_really_getting_faster_better_stronger?language=en (Feb 13 2016)

                  IMAGES

http://speedskatepei.ca/wp-content/uploads/2014/08/speedskate_skatesharpening31.jpg

https://minneapolisparkhistory.files.wordpress.com/2012/07/powderhorn-u-s-olympic-team-1947-2-16.jpg

https://minneapolisparkhistory.files.wordpress.com/2010/11/mpls-parks-fig-17-03.jpg

https://upload.wikimedia.org/wikipedia/commons/4/49/Jaap_Eden_skating.jpg

http://www.trbimg.com/img-568eb6d5/turbine/chi-140214-early-chicago-speed-skating-races-pictures

https://upload.wikimedia.org/wikipedia/commons/thumb/d/d4/Kortebaanwedstrijd_in_Hindelopen.jpg/220px-Kortebaanwedstrijd_in_Hindelopen.jpg

https://upload.wikimedia.org/wikipedia/commons/thumb/c/cd/Medieval-skates-London.jpg/200px-Medieval-skates-London.jpg

http://www.designboom.com/wp-content/uploads/2014/02/sochi-2014-iceberg-skating-palace-designboom-06.jpg

http://www.speedskating.ca/sites/speedskating.ca/files/styles/content_width/public/img/story/oval.jpg?itok=5JGAAdoX

http://www.skatelog.com/photos/skaters/tamara-campos/patinodromo-01-500x278.jpg

http://www.cascadespeedskates.com/Images/Products/Large/cascade-speedskates-bont-jet-maple-premium-01.JPG

http://static.webshopapp.com/shops/010489/files/019387173/viking-silver-ice-clap-skates.jpg

https://www.netterimages.com/images/vpv/000/000/036/36395-0550x0475.jpg

http://www.vhspeedskating.com/assets/images/english/boot-maintenance2.jpg

http://universe.byu.edu/wp-content/uploads/2013/02/Zamboni_04.jpg

http://www.potomacspeedskating.org/wp-content/uploads/2013/06/Shaner-LeBauer.jpg

http://www.vancouversun.com/cms/binary/11502631.jpg

http://calgaryspeedskating.ca/wp-content/uploads/2013/12/Speed-Skate-Sharpening-Jig-and-Stones.jpg

http://i.cbc.ca/1.1480593.1379029728!/httpImage/image.jpg_gen/derivatives/16x9_620/hamelin-charles-940-8col.jpg

http://www2.pictures.zimbio.com/gi/Short+Track+Speed+Skating+Winter+Olympics+BGn59VCnKMvl.jpg

http://www.elpnow.org/wp-content/uploads/2013/08/sample-1d-barcode1.jpg

http://2014.rt.com/upload/en/00/08/89/skoblikova.jpg

                VIDEOS

https://www.youtube.com/watch?v=oDn8Gdw49_M

https://www.youtube.com/watch?v=F3L4zR-q2QM

http://www.youtube.com/watch?v=eCODd5Vzrbs

MUCH APPRECIATED!