Arduino has discontinued this shield, please check out the Adafruit WINC1500 shield for a nearly-identical replacement with the same exact module, and
Arduino WiFi Shield 101
PHPoC Arduino Wifi Shield (P4S-347)
Arduino WiFi Shield 101 ( Discontinued in US Store ) 1F
Arduino WiFi Shield (integrated antenna)
Arduino Wi-Fi Shield - DEV-11287 - SparkFun Electronics
MKR1000 WiFi101 shield: NOT PRESENT - MKR1000 - Arduino Forum
Arduino and Atmel launch the Arduino Wi-Fi Shield 101
Arduino WiFi Shield 101 ( Discontinued in US Store ) 1F
Arduino WiFi Shield 101 (Adafruit 2891)
Bluetooth XBee Pro Shield V03 for Arduino - UrukTech
Arduino Wifi Shield on Simulink – Dashboard Project