A. Nunes, J. Casasayas, and N. B. Tufillaro,
Periodic orbits of the integrable swinging Atwood's machine,
American Journal of Physics 63 (2), 121-126 (1995).
File Name: sam_9.pdf

N. B. Tufillaro,
Teardrop and heart orbits of a swinging Atwoods machine,
The American Journal of Physics 62 (3), 231-233 (1994).
File Name: sam_8.pdf

J. Casasayas, A. Nunes, and N. B. Tufillaro,
Swinging Atwood's machine: integrability and dynamics,
Journal de Physique 51, 1693 (1990).
File Name: sam_7.pdf

J. Casasayas, N. B. Tufillaro, and A. Nunes,
Infinity manifold of a swinging Atwood's machine,
European Journal of Physics 10 (10), 173 (1989).
File Name: sam_6.pdf

N. B. Tufillaro, A. Nunes, and J. Casasayas,
Unbounded orbits of a swinging Atwood's machine,
American Journal of Physics 56 (12), 1117 (1988).
File Name: sam_5.pdf

N. B. Tufillaro,
Integrable motion of a swinging Atwood's machine,
American Journal of Physics 54 (2), 142 (1986).
File Name: sam_4.pdf

N. B. Tufillaro,
Motions of a swinging Atwood's machine,
Journal de Physique 46, 1495 (1985).
File Name: sam_3.pdf

N. B. Tufillaro,
Collision orbits of a swinging Atwood's machine,
Journal de Physique 46, 2053 (1985).
File Name: sam_2.pdf

N. B. Tufillaro, T. A. Abbott, and D. J. Griffiths,
Swinging Atwood's Machine,
American Journal of Physics 52 (10), 895 (1984).
File Name: sam_1.pdf

N. B. Tufillaro,
Smiles and Teardrops
Senior Thesis, Reed College Physics, 1982
File Name: sam_0.pdf

Reed College Senior Physics Seminar 3 February 1982. 
Talk (pdf). 
Griffiths Memo (pdf).