I would be most grateful if you would help me locate references on the shi’ah view of leadership and dissimulation.

References for leadership:
Islamic political system by Syed Mohamad Baqir al-Sadr, Islamic Seminary publications.
Wilayah – The Station of the Master by Murtada Mutahhari, WOFIS.
The Faith of Shi’ah Islam by Mohamad Rida al- Muzaffar, Muhammadi Trust, p.67–8.
Imamate by Saeed Akhtar Razavi, Ansariyan publications.

References for dissimulation:
Shi’ite Creed, by Shaykh as-Saduq, WOFIS pages: 96–7, 106, 155.
The Faith of Shia Islam, by Mohamad Rida al- Muzaffar, pp.46–7.