L'articolo di Ettore Majorana su "Il valore delle Leggi Statistiche nella Fisica e nelle Scienze Sociali" (Ettore Majorana's article on "The value of Statistical Laws in Physics and in Social Sciences")
L'Epistolario di Gerberto, papa astronomo
Lanczos - Einstein - Petiau: From Dirac's equation to nonlinear wave mechanics
Landau singularity and the instability of vacuum state in QED
Landau's Last Paper and its Impact on Developments in Mathematics, Physics and Other Disciplines in New Millennium
Learning in a Landscape: Simulation-building as Reflexive Intervention
Lemaître's Hubble relationship
Leon Rosenfeld and the challenge of the vanishing momentum in quantum electrodynamics
Les structures fines de l'électromagnétisme classique et de la relativité restreinte (The fine structures of Classical Electromagnetism and Special Relativity)
Less is Different: Emergence and Reduction Reconciled
Lessons from failures to achieve what was possible in the twentieth century physics
Letter to the Editor of Sky and Telescope Concerning Galileo's Observations of Mizar
Life and Quantum Biology, an Interdisciplinary Approach
Light Quanta and Molecules: A Contribution to the Annus Mirabilis
Limb Projections on Saturn
Local spinor structures in V. Fock's and H. Weyl's work on the Dirac equation (1929)
Lochlainn O'Raifeartaigh, Fluids, and Noncommuting Fields
Lord Rutherford of Nelson, His 1908 Nobel Prize in Chemistry and Why He Didn't Get a Second Prize
Lorentz's electromagnetic mass: a clue for unification?
Lorenz's electromagnetic theory of light