| FERMILAB-LOI-P-865 | Kaplan, Daniel M. | P-865: Revised Letter of Intent for a High Sensitivity Study of Charm and Beauty Decays. |
| FERMILAB-LOI-872 | Lundberg, B. | Measurement of tau lepton production from the process tau-neutrino + N ---> tau: Letter of intent |
| FERMILAB-LOI-865 | Kaplan, Daniel M. | High sensitivity study of rare low multiplicity beauty decays: Letter of intent |
| FERMILAB-LOI-861 | Geer, Steve | Searching for anti-proton decay: Letter of intent |
| FERMILAB-LOI-857 | Demyanov, A.I. | Spin - tensor: A Letter of intent |
| FERMILAB-LOI-355 | Barish, Barry C. | STUDIES OF THE CHARACTERISTICS OF NEUTRINO INCLUSIVE NEUTRAL CURRENT INTERACTION |
| FERMILAB-LOI-2013-02 | Kyberd, P. | nuSTORM - Neutrinos from STORed Muons: Letter of Intent to the Fermilab Physics Advisory Committee |
| FERMILAB-LOI-2013-01 | Klein, A. | Letter of Intent for a Drell-Yan experiment with a polarized proton target. |
| FERMILAB-LOI-2012-01 | Dharmapalan, R. | Letter of Intent: A new investigation of $\nu_\mu\rightarrow\nu_e$ oscillations with improved sensit |
| FERMILAB-LOI-2010-03 | Abe, Toshinori | The International Large Detector: Letter of Intent |
| FERMILAB-LOI-2009-04 | Asner, David M. | P-986 Letter of Intent: Medium-Energy Antiproton Physics at Fermilab |
| FERMILAB-LOI-2009-02 | Stancu, I. | A Letter of Intent to Build a MiniBooNE Near Detector: BooNE |
| FERMILAB-LOI-2009-01 | Aihara, H. | SiD Letter of Intent |
| FERMILAB-LOI-2006-01 | Aguilar-Arevalo, A.A. | Addendum to the MiniBooNE Run Plab: MinneBooNE Physics in 2006. |
| FERMILAB-LOI-2005-01 | Albrow, Michael G. | A Search for the Higgs boson using very forward tracking detectors with CDF |
| FERMILAB-LOI-1990-01 | Frabetti, P. | Expression of intention to continue the study of states containing heavy quarks using the wideband p |
| FERMILAB-LOI-1063 | Anghel, I. | Letter of Intent: The Accelerator Neutrino Neutron Interaction Experiment (ANNIE) |
| FERMILAB-LOI-0290 | Baker, W. | Letter of Intent to Measure Large Angle $\pi-p$ Elastic scattering |
| FERMILAB-LOI-0246 | Selove, W. | SEARCH FOR DIFFERENCE IN PION/PROTON INTERNAL STRUCTURE |