Woodall, D. R. (1969), "Thrackles and deadlock", in Welsh, D. J. A. (ed.), Combinatorial Mathematics and Its Applications, Academic Press, pp. 335–348, MR0277421.
Cairns, G.; Nikolayevsky, Y. (2000), "Bounds for generalized thrackles", Discrete and Computational Geometry, 23 (2): 191–206, doi:10.1007/PL00009495, MR1739605.
For the fact that the rotating caliper graph contains all diameter pairs, see Shamos, Michael (1978), Computational Geometry(PDF), Doctoral dissertation, Yale University. For the fact that the diameter pairs form a thrackle, see, e.g., Pach & Sterling (2011).
Xu, Yian (15 January 2021). "A New Upper Bound for Conway's Thrackles". Applied Mathematics and Computation. 389: 125573. doi:10.1016/j.amc.2020.125573. S2CID222111854.
Xu, Yian (15 January 2021). "A New Upper Bound for Conway's Thrackles". Applied Mathematics and Computation. 389: 125573. doi:10.1016/j.amc.2020.125573. S2CID222111854.