Pi Delta Phi, the French National Honor Society for U.S. college and university undergraduate and graduate students
Société Honoraire de Français, the National French Honor Society (for high school students).
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It currently numbers more than 370 chapters established at representative public and private colleges and universities in almost every state, as well as chapters in Paris and Aix-en-Provence.
Delta Air Lines | Delta State | Delta Goodrem | Alpha Phi Alpha | Delta | delta | Omega Psi Phi | Niger Delta | Delta Sigma Theta | Phi Kappa Phi | Delta Force | Phi Mu Alpha Sinfonia | Phi Kappa Psi | Phi Delta Theta | Pearl River Delta | River delta | Phi Kappa Theta | Delta Kappa Epsilon | river delta | Alpha Delta Phi | Phi Beta Sigma | Dirac delta function | Delta Connection | Danube Delta | Sigma Phi Epsilon | Mississippi Delta | Kappa Delta Rho | Delta Upsilon | Delta Spirit | Delta Queen |