Bessel uses v. Mueffling's survey from Seeberg to Dunkirk as his worked example in his paper on geodesics. v. Mueffling's original paper http://adsabs.harvard.edu/full/1823AN......2...33V Bessel's original paper http://adsabs.harvard.edu/full/1825AN......4..241B and translation http://arxiv.org/abs/0908.1824 http://dx.doi.org/10.1002/asna.201011352