Orbits

When worlds collide

Philip Wylie and Edwin Balmer ; introduction to the Bison Books edition by John Varley.

Theoria motvs corporvm coelestivm in sectionibvs conicis solem ambientivm.

Carl Friedrich Gauss

Centrifugal force and gravitation: a lecture

by John Harris.

A treatise on the analytical dynamics of particles and rigid bodies: with an introduction to the problem of three bodies

by E.T. Whittaker ; with a foreword by Sir William McCrea.

The Mechanical universe-- and beyond: Part I, The mechanical universe, programs 1-4

California Institute of Technology and the Southern California Consortium ; producer and director, Peter Buffa

Gravitation

George Biddell Airy.

Fire time

Poul Anderson

Theory of the Motion of the Heavenly Bodies Moving about the Sun in Conic Sections: A ...

Carl Friedrich Gauss, Charles Henry Davis

Methods of orbit determination

Pedro Ramon Escobal.

Dynamics and Mission Design Near Libration Points, Vol. III, Advanced Methods for Collinear Points

Josep Masdemont, R. Martinex, J. Llibre, Angel Jorba, Carles Simo