Spanish

Reference Sheets:

Accentuation of Spanish Words
El Imperfecto
Everything You ----- Spanish Accents
Exercises on Direct and Indirect Pronouns
Present Tense of Regualr Verbs - Spanish
Preterite or Imperfect
Top Ten Tips For Spanish
Use Definite and Indefinite Articles 

Websites:

Lingolex
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SpanishDict
BBC