Perniagaan haji di Pulau Pinang dan dokumentasi Sultan Kedah - Siti Amirah Abdullah; Mohd. Kasturi Nor Abd Aziz; Abu Talib Ahmad (Kuala Lumpur : The Malaysian Branch of the Royal Asiatic Society, 2015)
Keywords: Muslim pilgrims and pilgrimages -- Saudi Arabia -- Mecca; Pulau Pinang -- History -- 19th century; Pulau Pinang -- Economic conditions -- 19th century