. . "Imprimerie." . . . . . "Pi a hodge-podge of the letters, papers, and addresses written during the last sixty years"@en . "Anecdotes" . . . . . "Records and correspondence" . "Pi. A hodge-podge of the letters, papers and addresses written during the last sixty years by Bruce Rogers. [With illustrations, facsimile titlepages and a portrait.]" . "Pi. A hodge-podge of the letters, papers and addresses written during the last sixty years by Bruce Rogers. [With illustrations, facsimile titlepages and a portrait.]"@en . . . . . . . . . . . "Pi" . . "Pi : a hodge-podge of the letters, papers, and addresses written during the last sixty years" . . . . . . "Pi; a hodge-podge of the letters, papers, and addresses written during the last sixty years" . "Pi : a hodge-podge of the letters, papers and addresses written during the last sixty years" . "Pi : a hodge-podge of the letters and addresses written during the last sixty years"@en . "Pi; a hodge-podge of the letters, papers and addresses written during the last sixty years" . .