RT Book T1 Tratado del computo A1 García de Lovas, Andrés A1 Castañeda, Rodrigo de T1 Ruiz Fidalgo, Salamanca T1 Ruiz Fidalgo, Lorenzo, La imprenta en Salamanca (1501-1600) (3 vols., Madrid, Arco Libros, 1994) T1 Palau T1 Palau y Dulcet, Antonio, Manual del librero hispano-americano: bibliografia general española e hispani-americana desde la invención de la imprenta hasta nuestros tiempos con el valor comercial de los impresos descritos (Barcelona: Libreria Palau, 1948-) T1 IB T1 Wilkinson, Alexander S., Iberian Books (Leiden: Brill, 2010), Vol 1. (pre-1601), Vols 2 and 3 (1601-1650) with Alejandra Ulla Lorenzo (Leiden: Brill, 2015), and 1651-1700 with Alejandra Ulla Lorenzo and Alba de la Cruz (Published Online Only) T1 USTC T1 Universal Short Title Catalogue (University of St Andrews) T1 Iberian Books PP Salamanca NO Salamanca, Rodrigo de Castañeda, 1551. NO Citation confidence: The work may be genuine, but there is a heightened possibility that this work could be a bibliographical ghost. An exemplar may survive in only a single copy, or there may be no known surviving copy. NO Citation/reference: IB: 9395 AN uri:info:fedora/iberian:17482 LK https://iberian.ucd.ie/?getObject=iberian:17482 SL UCD Library, University College Dublin LL Belfield, Dublin 4, Ireland