Library
The amount of source material available free online at the click of a mouse button (or at least a few clicks) is truly amazing.
The links on this page are to online versions of books of S&P interest that are available online, and hope to add to it as I discover more resources. This initial list is copied from one created by William Yehudha De Oliveira:
Hakham Sa'ul Morteira
Gibngath Sa'ul http://www.hebrewbooks.org/30803
Derushim Yeqarim http://www.hebrewbooks.org/44778
Hakham Yangaqob Sasportas
Ngeduth Biyangaqob http://www.hebrewbooks.org/22358
Ohel Yangaqob http://www.hebrewbooks.org/21275
Ses Sengarim http://www.hebrewbooks.org/45992
Hakham Selomo De Oliveira
Darkhe H' http://www.hebrewbooks.org/23852
Ayeleth Ahabim http://www.hebrewbooks.org/23876
Mebo Haggemara http://www.hebrewbooks.org/42077
Yad Lason http://www.hebrewbooks.org/22100
Hakham David Nieto
Esh Dath http://www.hebrewbooks.org/23808
Matte Dan http://www.hebrewbooks.org/44909
Hakham Ishaq `Uzzi'el
Mangane Lashon http://www.hebrewbooks.org/9445
Hakham Yoseph Pardo
Shulhan Hattahor http://www.hebrewbooks.org/24322 /http://www.hebrewbooks.org/41301
Hakham Menasse Ben Isra'el
Pene Rabba http://www.hebrewbooks.org/45129
Hakham Hezqiya De Silva
Mayim Hayyim http://www.hebrewbooks.org/22083
Peri Hadash http://www.hebrewbooks.org/19333
Bina Wadangath http://www.hebrewbooks.org/38398
Hakham Ishaq Aboab
Me'a Berakhoth http://www.hebrewbooks.org/24869
Hakham Mose De Pisa
Hamsa'a Hadasha http://www.hebrewbooks.org/24988
Hakham Yishaq Abendana
Peri Nges Hayyim http://www.hebrewbooks.org/20605
Hakham Jacob Rodriguez Moreira
Kehilath Jahakob https://www.hebrewbooks.org/30682